Added more documentation to credentials.js
Added more documentation to credentials.js

geffzhang/grpc,tengyifei/grpc,podsvirov/grpc,ncteisen/grpc,kumaralokgithub/grpc,firebase/grpc,thunderboltsid/grpc,maxwell-demon/grpc,quizlet/grpc,carl-mastrangelo/grpc,tengyifei/grpc,nicolasnoble/grpc,ctiller/grpc,tengyifei/grpc,bogdandrutu/grpc,grani/grpc,bogdandrutu/grpc,pszemus/grpc,apolcyn/grpc,pmarks-net/grpc,perumaalgoog/grpc,royalharsh/grpc,msiedlarek/grpc,nicolasnoble/grpc,royalharsh/grpc,mehrdada/grpc,grani/grpc,chrisdunelm/grpc,y-zeng/grpc,quizlet/grpc,kpayson64/grpc,sreecha/grpc,ctiller/grpc,dklempner/grpc,firebase/grpc,hstefan/grpc,carl-mastrangelo/grpc,andrewpollock/grpc,makdharma/grpc,grpc/grpc,ncteisen/grpc,msmania/grpc,makdharma/grpc,dgquintas/grpc,Crevil/grpc,fuchsia-mirror/third_party-grpc,yang-g/grpc,stanley-cheung/grpc,firebase/grpc,Vizerai/grpc,leifurhauks/grpc,bogdandrutu/grpc,daniel-j-born/grpc,stanley-cheung/grpc,pmarks-net/grpc,perumaalgoog/grpc,greasypizza/grpc,tamihiro/grpc,vjpai/grpc,simonkuang/grpc,maxwell-demon/grpc,soltanmm/grpc,jcanizales/grpc,miselin/grpc,msiedlarek/grpc,murgatroid99/grpc,ejona86/grpc,tamihiro/grpc,7anner/grpc,andrewpollock/grpc,madongfly/grpc,jtattermusch/grpc,msmania/grpc,7anner/grpc,7anner/grpc,y-zeng/grpc,msmania/grpc,grpc/grpc,grpc/grpc,ananthonline/grpc,Crevil/grpc,geffzhang/grpc,grpc/grpc,arkmaxim/grpc,podsvirov/grpc,yugui/grpc,madongfly/grpc,Crevil/grpc,maxwell-demon/grpc,simonkuang/grpc,vjpai/grpc,yugui/grpc,kumaralokgithub/grpc,muxi/grpc,sreecha/grpc,pszemus/grpc,adelez/grpc,vjpai/grpc,hstefan/grpc,greasypizza/grpc,yang-g/grpc,dgquintas/grpc,grani/grpc,quizlet/grpc,ananthonline/grpc,VcamX/grpc,LuminateWireless/grpc,makdharma/grpc,grpc/grpc,tamihiro/grpc,andrewpollock/grpc,ejona86/grpc,adelez/grpc,donnadionne/grpc,tengyifei/grpc,yongni/grpc,goldenbull/grpc,daniel-j-born/grpc,grpc/grpc,deepaklukose/grpc,adelez/grpc,ncteisen/grpc,kskalski/grpc,pmarks-net/grpc,soltanmm/grpc,mehrdada/grpc,jtattermusch/grpc,stanley-cheung/grpc,nicolasnoble/grpc,jtattermusch/grpc,PeterFaiman/ruby-grpc-minimal,muxi/grpc,perumaalgoog/grpc,a11r/grpc,w4-sjcho/grpc,vjpai/grpc,sreecha/grpc,msiedlarek/grpc,perumaalgoog/grpc,tamihiro/grpc,grani/grpc,vsco/grpc,kskalski/grpc,arkmaxim/grpc,firebase/grpc,simonkuang/grpc,adelez/grpc,jboeuf/grpc,ncteisen/grpc,arkmaxim/grpc,msiedlarek/grpc,nicolasnoble/grpc,deepaklukose/grpc,matt-kwong/grpc,Vizerai/grpc,dklempner/grpc,carl-mastrangelo/grpc,hstefan/grpc,apolcyn/grpc,baylabs/grpc,madongfly/grpc,kumaralokgithub/grpc,makdharma/grpc,ctiller/grpc,pszemus/grpc,yang-g/grpc,geffzhang/grpc,ctiller/grpc,pszemus/grpc,soltanmm-google/grpc,zhimingxie/grpc,hstefan/grpc,rjshade/grpc,andrewpollock/grpc,deepaklukose/grpc,LuminateWireless/grpc,PeterFaiman/ruby-grpc-minimal,apolcyn/grpc,sreecha/grpc,geffzhang/grpc,thinkerou/grpc,yang-g/grpc,ananthonline/grpc,ejona86/grpc,mehrdada/grpc,infinit/grpc,leifurhauks/grpc,miselin/grpc,ipylypiv/grpc,MakMukhi/grpc,dklempner/grpc,7anner/grpc,goldenbull/grpc,w4-sjcho/grpc,carl-mastrangelo/grpc,vjpai/grpc,ctiller/grpc,carl-mastrangelo/grpc,MakMukhi/grpc,kumaralokgithub/grpc,grani/grpc,wcevans/grpc,soltanmm/grpc,hstefan/grpc,leifurhauks/grpc,ppietrasa/grpc,dklempner/grpc,Vizerai/grpc,ctiller/grpc,matt-kwong/grpc,a-veitch/grpc,daniel-j-born/grpc,leifurhauks/grpc,fuchsia-mirror/third_party-grpc,w4-sjcho/grpc,ncteisen/grpc,perumaalgoog/grpc,leifurhauks/grpc,infinit/grpc,deepaklukose/grpc,msmania/grpc,leifurhauks/grpc,dklempner/grpc,bogdandrutu/grpc,msiedlarek/grpc,jboeuf/grpc,tamihiro/grpc,Vizerai/grpc,yongni/grpc,pszemus/grpc,philcleveland/grpc,soltanmm-google/grpc,arkmaxim/grpc,jtattermusch/grpc,rjshade/grpc,jboeuf/grpc,thunderboltsid/grpc,Vizerai/grpc,yongni/grpc,muxi/grpc,pmarks-net/grpc,royalharsh/grpc,podsvirov/grpc,philcleveland/grpc,zhimingxie/grpc,thinkerou/grpc,muxi/grpc,daniel-j-born/grpc,muxi/grpc,murgatroid99/grpc,a11r/grpc,miselin/grpc,soltanmm-google/grpc,soltanmm-google/grpc,nicolasnoble/grpc,Vizerai/grpc,fuchsia-mirror/third_party-grpc,LuminateWireless/grpc,apolcyn/grpc,quizlet/grpc,matt-kwong/grpc,ejona86/grpc,andrewpollock/grpc,carl-mastrangelo/grpc,grani/grpc,nicolasnoble/grpc,makdharma/grpc,thinkerou/grpc,soltanmm-google/grpc,maxwell-demon/grpc,malexzx/grpc,Vizerai/grpc,grani/grpc,infinit/grpc,jboeuf/grpc,thunderboltsid/grpc,w4-sjcho/grpc,dgquintas/grpc,muxi/grpc,podsvirov/grpc,soltanmm/grpc,rjshade/grpc,carl-mastrangelo/grpc,rjshade/grpc,mehrdada/grpc,Crevil/grpc,thunderboltsid/grpc,soltanmm/grpc,jboeuf/grpc,philcleveland/grpc,geffzhang/grpc,infinit/grpc,hstefan/grpc,arkmaxim/grpc,fuchsia-mirror/third_party-grpc,grpc/grpc,donnadionne/grpc,kriswuollett/grpc,firebase/grpc,podsvirov/grpc,andrewpollock/grpc,ipylypiv/grpc,ananthonline/grpc,leifurhauks/grpc,carl-mastrangelo/grpc,MakMukhi/grpc,daniel-j-born/grpc,kskalski/grpc,quizlet/grpc,grani/grpc,mehrdada/grpc,jtattermusch/grpc,jtattermusch/grpc,ppietrasa/grpc,ncteisen/grpc,7anner/grpc,thinkerou/grpc,jtattermusch/grpc,jtattermusch/grpc,goldenbull/grpc,chrisdunelm/grpc,zhimingxie/grpc,greasypizza/grpc,donnadionne/grpc,dklempner/grpc,chrisdunelm/grpc,y-zeng/grpc,simonkuang/grpc,carl-mastrangelo/grpc,ncteisen/grpc,quizlet/grpc,royalharsh/grpc,yongni/grpc,y-zeng/grpc,murgatroid99/grpc,bogdandrutu/grpc,infinit/grpc,stanley-cheung/grpc,ppietrasa/grpc,geffzhang/grpc,Crevil/grpc,podsvirov/grpc,ppietrasa/grpc,tengyifei/grpc,vsco/grpc,tengyifei/grpc,greasypizza/grpc,tamihiro/grpc,muxi/grpc,daniel-j-born/grpc,mehrdada/grpc,VcamX/grpc,arkmaxim/grpc,kskalski/grpc,stanley-cheung/grpc,firebase/grpc,simonkuang/grpc,kriswuollett/grpc,muxi/grpc,Vizerai/grpc,apolcyn/grpc,podsvirov/grpc,LuminateWireless/grpc,kumaralokgithub/grpc,geffzhang/grpc,soltanmm-google/grpc,msmania/grpc,ppietrasa/grpc,ctiller/grpc,adelez/grpc,thinkerou/grpc,malexzx/grpc,donnadionne/grpc,jboeuf/grpc,donnadionne/grpc,firebase/grpc,arkmaxim/grpc,y-zeng/grpc,jboeuf/grpc,tamihiro/grpc,pszemus/grpc,yugui/grpc,fuchsia-mirror/third_party-grpc,infinit/grpc,kskalski/grpc,dklempner/grpc,daniel-j-born/grpc,PeterFaiman/ruby-grpc-minimal,sreecha/grpc,ipylypiv/grpc,ananthonline/grpc,kriswuollett/grpc,a11r/grpc,yongni/grpc,mehrdada/grpc,ctiller/grpc,podsvirov/grpc,quizlet/grpc,donnadionne/grpc,VcamX/grpc,vjpai/grpc,pmarks-net/grpc,madongfly/grpc,donnadionne/grpc,stanley-cheung/grpc,maxwell-demon/grpc,nicolasnoble/grpc,mehrdada/grpc,LuminateWireless/grpc,kumaralokgithub/grpc,thinkerou/grpc,apolcyn/grpc,sreecha/grpc,kpayson64/grpc,msmania/grpc,soltanmm/grpc,murgatroid99/grpc,greasypizza/grpc,grani/grpc,yang-g/grpc,vjpai/grpc,ipylypiv/grpc,soltanmm-google/grpc,baylabs/grpc,yongni/grpc,nicolasnoble/grpc,malexzx/grpc,MakMukhi/grpc,w4-sjcho/grpc,a-veitch/grpc,VcamX/grpc,maxwell-demon/grpc,mehrdada/grpc,jcanizales/grpc,a-veitch/grpc,ncteisen/grpc,tamihiro/grpc,murgatroid99/grpc,Crevil/grpc,simonkuang/grpc,infinit/grpc,miselin/grpc,thinkerou/grpc,geffzhang/grpc,thinkerou/grpc,vsco/grpc,firebase/grpc,vjpai/grpc,apolcyn/grpc,miselin/grpc,matt-kwong/grpc,jboeuf/grpc,simonkuang/grpc,stanley-cheung/grpc,thunderboltsid/grpc,jcanizales/grpc,yugui/grpc,makdharma/grpc,ncteisen/grpc,zhimingxie/grpc,thinkerou/grpc,murgatroid99/grpc,baylabs/grpc,muxi/grpc,kumaralokgithub/grpc,kpayson64/grpc,perumaalgoog/grpc,ncteisen/grpc,dgquintas/grpc,deepaklukose/grpc,a-veitch/grpc,philcleveland/grpc,LuminateWireless/grpc,ipylypiv/grpc,jboeuf/grpc,goldenbull/grpc,leifurhauks/grpc,a-veitch/grpc,murgatroid99/grpc,nicolasnoble/grpc,adelez/grpc,Crevil/grpc,apolcyn/grpc,philcleveland/grpc,makdharma/grpc,murgatroid99/grpc,7anner/grpc,kpayson64/grpc,jtattermusch/grpc,matt-kwong/grpc,hstefan/grpc,makdharma/grpc,adelez/grpc,stanley-cheung/grpc,ipylypiv/grpc,rjshade/grpc,kskalski/grpc,w4-sjcho/grpc,a-veitch/grpc,tengyifei/grpc,tamihiro/grpc,malexzx/grpc,wcevans/grpc,malexzx/grpc,tengyifei/grpc,donnadionne/grpc,fuchsia-mirror/third_party-grpc,mehrdada/grpc,goldenbull/grpc,dgquintas/grpc,malexzx/grpc,carl-mastrangelo/grpc,vsco/grpc,chrisdunelm/grpc,madongfly/grpc,donnadionne/grpc,chrisdunelm/grpc,pszemus/grpc,leifurhauks/grpc,ejona86/grpc,mehrdada/grpc,y-zeng/grpc,dgquintas/grpc,andrewpollock/grpc,deepaklukose/grpc,yugui/grpc,yongni/grpc,maxwell-demon/grpc,bogdandrutu/grpc,jcanizales/grpc,fuchsia-mirror/third_party-grpc,stanley-cheung/grpc,grpc/grpc,yugui/grpc,madongfly/grpc,dgquintas/grpc,yongni/grpc,kumaralokgithub/grpc,jboeuf/grpc,nicolasnoble/grpc,daniel-j-born/grpc,stanley-cheung/grpc,LuminateWireless/grpc,rjshade/grpc,dgquintas/grpc,hstefan/grpc,wcevans/grpc,jcanizales/grpc,goldenbull/grpc,kskalski/grpc,chrisdunelm/grpc,miselin/grpc,firebase/grpc,dklempner/grpc,dgquintas/grpc,jtattermusch/grpc,wcevans/grpc,VcamX/grpc,muxi/grpc,VcamX/grpc,zhimingxie/grpc,yongni/grpc,PeterFaiman/ruby-grpc-minimal,kpayson64/grpc,arkmaxim/grpc,ncteisen/grpc,LuminateWireless/grpc,7anner/grpc,ppietrasa/grpc,ctiller/grpc,grpc/grpc,Vizerai/grpc,fuchsia-mirror/third_party-grpc,jcanizales/grpc,kriswuollett/grpc,VcamX/grpc,bogdandrutu/grpc,carl-mastrangelo/grpc,msiedlarek/grpc,jboeuf/grpc,soltanmm/grpc,greasypizza/grpc,yang-g/grpc,madongfly/grpc,ipylypiv/grpc,ppietrasa/grpc,miselin/grpc,donnadionne/grpc,pszemus/grpc,dgquintas/grpc,vsco/grpc,ipylypiv/grpc,makdharma/grpc,chrisdunelm/grpc,Crevil/grpc,LuminateWireless/grpc,rjshade/grpc,ppietrasa/grpc,muxi/grpc,MakMukhi/grpc,pszemus/grpc,a-veitch/grpc,goldenbull/grpc,kpayson64/grpc,nicolasnoble/grpc,ananthonline/grpc,soltanmm/grpc,msmania/grpc,pszemus/grpc,matt-kwong/grpc,ctiller/grpc,y-zeng/grpc,philcleveland/grpc,a11r/grpc,baylabs/grpc,ejona86/grpc,thunderboltsid/grpc,PeterFaiman/ruby-grpc-minimal,sreecha/grpc,arkmaxim/grpc,kriswuollett/grpc,y-zeng/grpc,wcevans/grpc,a11r/grpc,ejona86/grpc,perumaalgoog/grpc,VcamX/grpc,jtattermusch/grpc,philcleveland/grpc,fuchsia-mirror/third_party-grpc,goldenbull/grpc,baylabs/grpc,wcevans/grpc,podsvirov/grpc,kskalski/grpc,jboeuf/grpc,quizlet/grpc,chrisdunelm/grpc,sreecha/grpc,thinkerou/grpc,MakMukhi/grpc,maxwell-demon/grpc,kpayson64/grpc,thunderboltsid/grpc,miselin/grpc,ctiller/grpc,sreecha/grpc,dgquintas/grpc,matt-kwong/grpc,yang-g/grpc,vjpai/grpc,thinkerou/grpc,kriswuollett/grpc,donnadionne/grpc,kriswuollett/grpc,zhimingxie/grpc,vsco/grpc,msiedlarek/grpc,a-veitch/grpc,MakMukhi/grpc,ananthonline/grpc,ppietrasa/grpc,kriswuollett/grpc,ejona86/grpc,ejona86/grpc,chrisdunelm/grpc,murgatroid99/grpc,y-zeng/grpc,maxwell-demon/grpc,greasypizza/grpc,ananthonline/grpc,baylabs/grpc,pmarks-net/grpc,carl-mastrangelo/grpc,chrisdunelm/grpc,zhimingxie/grpc,royalharsh/grpc,vjpai/grpc,perumaalgoog/grpc,hstefan/grpc,chrisdunelm/grpc,grpc/grpc,fuchsia-mirror/third_party-grpc,adelez/grpc,baylabs/grpc,kumaralokgithub/grpc,stanley-cheung/grpc,7anner/grpc,royalharsh/grpc,quizlet/grpc,vsco/grpc,miselin/grpc,donnadionne/grpc,ejona86/grpc,pmarks-net/grpc,adelez/grpc,soltanmm-google/grpc,andrewpollock/grpc,w4-sjcho/grpc,kpayson64/grpc,mehrdada/grpc,PeterFaiman/ruby-grpc-minimal,soltanmm-google/grpc,perumaalgoog/grpc,bogdandrutu/grpc,geffzhang/grpc,sreecha/grpc,PeterFaiman/ruby-grpc-minimal,yugui/grpc,kpayson64/grpc,jcanizales/grpc,yugui/grpc,madongfly/grpc,baylabs/grpc,thunderboltsid/grpc,deepaklukose/grpc,msmania/grpc,infinit/grpc,firebase/grpc,ejona86/grpc,nicolasnoble/grpc,kriswuollett/grpc,PeterFaiman/ruby-grpc-minimal,deepaklukose/grpc,philcleveland/grpc,MakMukhi/grpc,msiedlarek/grpc,rjshade/grpc,vjpai/grpc,infinit/grpc,bogdandrutu/grpc,rjshade/grpc,vjpai/grpc,thunderboltsid/grpc,vsco/grpc,thinkerou/grpc,grpc/grpc,pmarks-net/grpc,Vizerai/grpc,apolcyn/grpc,matt-kwong/grpc,yang-g/grpc,Crevil/grpc,royalharsh/grpc,soltanmm/grpc,wcevans/grpc,a11r/grpc,msmania/grpc,msiedlarek/grpc,pszemus/grpc,sreecha/grpc,tengyifei/grpc,kpayson64/grpc,andrewpollock/grpc,a11r/grpc,ipylypiv/grpc,wcevans/grpc,kskalski/grpc,MakMukhi/grpc,VcamX/grpc,Vizerai/grpc,jtattermusch/grpc,w4-sjcho/grpc,grpc/grpc,vsco/grpc,simonkuang/grpc,pszemus/grpc,firebase/grpc,matt-kwong/grpc,jcanizales/grpc,malexzx/grpc,stanley-cheung/grpc,greasypizza/grpc,yugui/grpc,PeterFaiman/ruby-grpc-minimal,madongfly/grpc,murgatroid99/grpc,baylabs/grpc,ncteisen/grpc,pmarks-net/grpc,zhimingxie/grpc,royalharsh/grpc,dklempner/grpc,sreecha/grpc,malexzx/grpc,zhimingxie/grpc,PeterFaiman/ruby-grpc-minimal,muxi/grpc,ejona86/grpc,goldenbull/grpc,daniel-j-born/grpc,a11r/grpc,greasypizza/grpc,ananthonline/grpc,ctiller/grpc,w4-sjcho/grpc,yang-g/grpc,royalharsh/grpc,kpayson64/grpc,7anner/grpc,jcanizales/grpc,firebase/grpc,a11r/grpc,deepaklukose/grpc,philcleveland/grpc,a-veitch/grpc,simonkuang/grpc,malexzx/grpc,wcevans/grpc