Update PROTOCOL-WEB.md
Update PROTOCOL-WEB.md

Mention the Server header format
kpayson64/grpc,ctiller/grpc,vjpai/grpc,dklempner/grpc,LuminateWireless/grpc,ctiller/grpc,apolcyn/grpc,kriswuollett/grpc,stanley-cheung/grpc,7anner/grpc,stanley-cheung/grpc,yongni/grpc,royalharsh/grpc,apolcyn/grpc,sreecha/grpc,wcevans/grpc,zhimingxie/grpc,yang-g/grpc,ctiller/grpc,chrisdunelm/grpc,kpayson64/grpc,MakMukhi/grpc,7anner/grpc,royalharsh/grpc,kumaralokgithub/grpc,vsco/grpc,firebase/grpc,jboeuf/grpc,nicolasnoble/grpc,simonkuang/grpc,jboeuf/grpc,rjshade/grpc,thinkerou/grpc,7anner/grpc,geffzhang/grpc,ejona86/grpc,carl-mastrangelo/grpc,carl-mastrangelo/grpc,firebase/grpc,adelez/grpc,apolcyn/grpc,muxi/grpc,yongni/grpc,makdharma/grpc,thinkerou/grpc,sreecha/grpc,ipylypiv/grpc,baylabs/grpc,infinit/grpc,pszemus/grpc,donnadionne/grpc,dklempner/grpc,simonkuang/grpc,pszemus/grpc,grpc/grpc,royalharsh/grpc,quizlet/grpc,yang-g/grpc,Vizerai/grpc,matt-kwong/grpc,ncteisen/grpc,mehrdada/grpc,quizlet/grpc,yongni/grpc,rjshade/grpc,firebase/grpc,makdharma/grpc,murgatroid99/grpc,royalharsh/grpc,deepaklukose/grpc,thinkerou/grpc,sreecha/grpc,chrisdunelm/grpc,wcevans/grpc,royalharsh/grpc,deepaklukose/grpc,kriswuollett/grpc,firebase/grpc,a11r/grpc,kumaralokgithub/grpc,7anner/grpc,wcevans/grpc,pmarks-net/grpc,fuchsia-mirror/third_party-grpc,kumaralokgithub/grpc,sreecha/grpc,rjshade/grpc,chrisdunelm/grpc,MakMukhi/grpc,PeterFaiman/ruby-grpc-minimal,pszemus/grpc,ncteisen/grpc,hstefan/grpc,nicolasnoble/grpc,fuchsia-mirror/third_party-grpc,ipylypiv/grpc,yang-g/grpc,ejona86/grpc,ipylypiv/grpc,kpayson64/grpc,Crevil/grpc,ejona86/grpc,infinit/grpc,kumaralokgithub/grpc,kpayson64/grpc,mehrdada/grpc,yang-g/grpc,philcleveland/grpc,fuchsia-mirror/third_party-grpc,Crevil/grpc,ctiller/grpc,dgquintas/grpc,apolcyn/grpc,donnadionne/grpc,jboeuf/grpc,vsco/grpc,kskalski/grpc,carl-mastrangelo/grpc,baylabs/grpc,deepaklukose/grpc,baylabs/grpc,Vizerai/grpc,mehrdada/grpc,chrisdunelm/grpc,jtattermusch/grpc,ncteisen/grpc,dgquintas/grpc,mehrdada/grpc,simonkuang/grpc,carl-mastrangelo/grpc,msmania/grpc,infinit/grpc,a11r/grpc,geffzhang/grpc,jboeuf/grpc,dgquintas/grpc,thinkerou/grpc,apolcyn/grpc,MakMukhi/grpc,vsco/grpc,ncteisen/grpc,murgatroid99/grpc,hstefan/grpc,nicolasnoble/grpc,jboeuf/grpc,7anner/grpc,simonkuang/grpc,daniel-j-born/grpc,jboeuf/grpc,baylabs/grpc,fuchsia-mirror/third_party-grpc,grpc/grpc,matt-kwong/grpc,dgquintas/grpc,geffzhang/grpc,donnadionne/grpc,nicolasnoble/grpc,fuchsia-mirror/third_party-grpc,jtattermusch/grpc,wcevans/grpc,ncteisen/grpc,geffzhang/grpc,vjpai/grpc,ejona86/grpc,Vizerai/grpc,zhimingxie/grpc,simonkuang/grpc,7anner/grpc,kumaralokgithub/grpc,kriswuollett/grpc,grani/grpc,pmarks-net/grpc,stanley-cheung/grpc,mehrdada/grpc,hstefan/grpc,vjpai/grpc,firebase/grpc,murgatroid99/grpc,dklempner/grpc,infinit/grpc,rjshade/grpc,ctiller/grpc,pmarks-net/grpc,a11r/grpc,stanley-cheung/grpc,grpc/grpc,yang-g/grpc,jtattermusch/grpc,sreecha/grpc,vsco/grpc,ipylypiv/grpc,baylabs/grpc,kriswuollett/grpc,adelez/grpc,carl-mastrangelo/grpc,jboeuf/grpc,dklempner/grpc,sreecha/grpc,Vizerai/grpc,zhimingxie/grpc,jtattermusch/grpc,kskalski/grpc,ncteisen/grpc,yugui/grpc,mehrdada/grpc,donnadionne/grpc,muxi/grpc,baylabs/grpc,PeterFaiman/ruby-grpc-minimal,Crevil/grpc,kriswuollett/grpc,zhimingxie/grpc,vjpai/grpc,murgatroid99/grpc,Crevil/grpc,thinkerou/grpc,pmarks-net/grpc,wcevans/grpc,hstefan/grpc,Vizerai/grpc,apolcyn/grpc,deepaklukose/grpc,royalharsh/grpc,apolcyn/grpc,simonkuang/grpc,wcevans/grpc,muxi/grpc,daniel-j-born/grpc,sreecha/grpc,philcleveland/grpc,LuminateWireless/grpc,murgatroid99/grpc,thinkerou/grpc,yugui/grpc,grani/grpc,donnadionne/grpc,nicolasnoble/grpc,muxi/grpc,ipylypiv/grpc,carl-mastrangelo/grpc,ejona86/grpc,carl-mastrangelo/grpc,daniel-j-born/grpc,quizlet/grpc,rjshade/grpc,daniel-j-born/grpc,ejona86/grpc,sreecha/grpc,LuminateWireless/grpc,PeterFaiman/ruby-grpc-minimal,daniel-j-born/grpc,kriswuollett/grpc,philcleveland/grpc,philcleveland/grpc,donnadionne/grpc,kskalski/grpc,ncteisen/grpc,ipylypiv/grpc,deepaklukose/grpc,kskalski/grpc,ipylypiv/grpc,geffzhang/grpc,apolcyn/grpc,vsco/grpc,wcevans/grpc,sreecha/grpc,simonkuang/grpc,yugui/grpc,vjpai/grpc,muxi/grpc,deepaklukose/grpc,MakMukhi/grpc,donnadionne/grpc,yang-g/grpc,MakMukhi/grpc,ncteisen/grpc,stanley-cheung/grpc,msmania/grpc,nicolasnoble/grpc,baylabs/grpc,vsco/grpc,firebase/grpc,Crevil/grpc,kumaralokgithub/grpc,dgquintas/grpc,jtattermusch/grpc,quizlet/grpc,grpc/grpc,LuminateWireless/grpc,fuchsia-mirror/third_party-grpc,thinkerou/grpc,msmania/grpc,Vizerai/grpc,nicolasnoble/grpc,infinit/grpc,nicolasnoble/grpc,hstefan/grpc,Vizerai/grpc,chrisdunelm/grpc,MakMukhi/grpc,hstefan/grpc,ctiller/grpc,grpc/grpc,pmarks-net/grpc,kskalski/grpc,Crevil/grpc,yugui/grpc,vsco/grpc,jtattermusch/grpc,pszemus/grpc,rjshade/grpc,ctiller/grpc,pszemus/grpc,stanley-cheung/grpc,infinit/grpc,yongni/grpc,jboeuf/grpc,jboeuf/grpc,kpayson64/grpc,carl-mastrangelo/grpc,rjshade/grpc,firebase/grpc,yongni/grpc,grpc/grpc,muxi/grpc,infinit/grpc,firebase/grpc,ctiller/grpc,philcleveland/grpc,vjpai/grpc,a11r/grpc,pszemus/grpc,yang-g/grpc,kumaralokgithub/grpc,jboeuf/grpc,yang-g/grpc,donnadionne/grpc,murgatroid99/grpc,muxi/grpc,thinkerou/grpc,a11r/grpc,murgatroid99/grpc,carl-mastrangelo/grpc,sreecha/grpc,PeterFaiman/ruby-grpc-minimal,yongni/grpc,a11r/grpc,adelez/grpc,MakMukhi/grpc,kpayson64/grpc,yang-g/grpc,vjpai/grpc,PeterFaiman/ruby-grpc-minimal,Vizerai/grpc,MakMukhi/grpc,LuminateWireless/grpc,msmania/grpc,grani/grpc,dklempner/grpc,yongni/grpc,ejona86/grpc,matt-kwong/grpc,kskalski/grpc,vjpai/grpc,yugui/grpc,hstefan/grpc,PeterFaiman/ruby-grpc-minimal,stanley-cheung/grpc,LuminateWireless/grpc,jtattermusch/grpc,kpayson64/grpc,murgatroid99/grpc,carl-mastrangelo/grpc,sreecha/grpc,deepaklukose/grpc,adelez/grpc,quizlet/grpc,chrisdunelm/grpc,msmania/grpc,royalharsh/grpc,kskalski/grpc,dklempner/grpc,grani/grpc,nicolasnoble/grpc,adelez/grpc,deepaklukose/grpc,simonkuang/grpc,thinkerou/grpc,thinkerou/grpc,PeterFaiman/ruby-grpc-minimal,yongni/grpc,Crevil/grpc,matt-kwong/grpc,mehrdada/grpc,pmarks-net/grpc,jtattermusch/grpc,yugui/grpc,ipylypiv/grpc,makdharma/grpc,dgquintas/grpc,quizlet/grpc,philcleveland/grpc,LuminateWireless/grpc,kskalski/grpc,wcevans/grpc,ctiller/grpc,daniel-j-born/grpc,murgatroid99/grpc,dgquintas/grpc,donnadionne/grpc,stanley-cheung/grpc,mehrdada/grpc,mehrdada/grpc,quizlet/grpc,matt-kwong/grpc,ctiller/grpc,chrisdunelm/grpc,matt-kwong/grpc,ctiller/grpc,hstefan/grpc,vsco/grpc,stanley-cheung/grpc,makdharma/grpc,kskalski/grpc,ncteisen/grpc,dgquintas/grpc,PeterFaiman/ruby-grpc-minimal,dgquintas/grpc,yugui/grpc,pszemus/grpc,rjshade/grpc,MakMukhi/grpc,grpc/grpc,carl-mastrangelo/grpc,ejona86/grpc,a11r/grpc,pmarks-net/grpc,baylabs/grpc,pmarks-net/grpc,mehrdada/grpc,kpayson64/grpc,infinit/grpc,grani/grpc,kumaralokgithub/grpc,ncteisen/grpc,zhimingxie/grpc,geffzhang/grpc,dklempner/grpc,fuchsia-mirror/third_party-grpc,jtattermusch/grpc,nicolasnoble/grpc,ncteisen/grpc,makdharma/grpc,sreecha/grpc,philcleveland/grpc,grani/grpc,muxi/grpc,yugui/grpc,adelez/grpc,grani/grpc,mehrdada/grpc,rjshade/grpc,stanley-cheung/grpc,adelez/grpc,carl-mastrangelo/grpc,kpayson64/grpc,Vizerai/grpc,ctiller/grpc,7anner/grpc,thinkerou/grpc,msmania/grpc,stanley-cheung/grpc,grpc/grpc,firebase/grpc,kpayson64/grpc,thinkerou/grpc,dgquintas/grpc,infinit/grpc,quizlet/grpc,matt-kwong/grpc,muxi/grpc,daniel-j-born/grpc,chrisdunelm/grpc,royalharsh/grpc,vjpai/grpc,yugui/grpc,dgquintas/grpc,zhimingxie/grpc,geffzhang/grpc,dklempner/grpc,jboeuf/grpc,fuchsia-mirror/third_party-grpc,PeterFaiman/ruby-grpc-minimal,adelez/grpc,pszemus/grpc,PeterFaiman/ruby-grpc-minimal,kumaralokgithub/grpc,grpc/grpc,daniel-j-born/grpc,a11r/grpc,zhimingxie/grpc,vjpai/grpc,makdharma/grpc,firebase/grpc,baylabs/grpc,jtattermusch/grpc,Crevil/grpc,a11r/grpc,daniel-j-born/grpc,pszemus/grpc,nicolasnoble/grpc,philcleveland/grpc,matt-kwong/grpc,deepaklukose/grpc,kriswuollett/grpc,jboeuf/grpc,ejona86/grpc,firebase/grpc,quizlet/grpc,msmania/grpc,zhimingxie/grpc,murgatroid99/grpc,grpc/grpc,makdharma/grpc,kriswuollett/grpc,zhimingxie/grpc,chrisdunelm/grpc,grpc/grpc,makdharma/grpc,royalharsh/grpc,vsco/grpc,donnadionne/grpc,yongni/grpc,Crevil/grpc,mehrdada/grpc,dklempner/grpc,grani/grpc,LuminateWireless/grpc,LuminateWireless/grpc,adelez/grpc,jtattermusch/grpc,fuchsia-mirror/third_party-grpc,grani/grpc,jtattermusch/grpc,ipylypiv/grpc,apolcyn/grpc,vjpai/grpc,pmarks-net/grpc,wcevans/grpc,muxi/grpc,ejona86/grpc,kriswuollett/grpc,7anner/grpc,ncteisen/grpc,ejona86/grpc,msmania/grpc,hstefan/grpc,vjpai/grpc,ejona86/grpc,pszemus/grpc,kpayson64/grpc,7anner/grpc,Vizerai/grpc,chrisdunelm/grpc,nicolasnoble/grpc,matt-kwong/grpc,pszemus/grpc,donnadionne/grpc,chrisdunelm/grpc,firebase/grpc,grpc/grpc,donnadionne/grpc,philcleveland/grpc,fuchsia-mirror/third_party-grpc,geffzhang/grpc,geffzhang/grpc,simonkuang/grpc,muxi/grpc,Vizerai/grpc,muxi/grpc,msmania/grpc,makdharma/grpc,stanley-cheung/grpc,pszemus/grpc