feat(README): add a modules section to the README
feat(README): add a modules section to the README

rchicoli/etcd,Eagle-X/etcd,endocode/etcd,ktateish/etcd,gityf/etcd,hpcloud/etcd,jchauncey/etcd,crandles/etcd,chipironcin/etcd,glycerine/etcd,StorReduce/etcd,mischief/etcd,cchamplin/etcd,buaazp/etcd,delkyd/etcd,westhood/etcd,polvi/etcd,yichengq/etcd,SivagnanamCiena/etcd,wfxiang08/etcd,justintung/etcd,whuwxl/etcd,dannysauer/etcd,a-robinson/etcd,wowsoso/etcd,wantonsolutions/dinv-etcd,nieanan/etcd,etcd-io/etcd,axingblog/etcd,offscale/etcd,siddontang/etcd,gae123/etcd,youxidev/etcd,cchamplin/etcd,honeyqa/etcd,giantswarm/etcd,ravigadde/etcd,fasaxc/etcd,delkyd/etcd,armstrongli/etcd,dnaeon/etcd,imzhulei/etcd,sinsharat/etcd,buaazp/etcd,robszumski/etcd,coreos/etcd,tangkun75/etcd,chai2010/etcd,offscale/etcd,hroyrh/etcd,onlyjob/etcd,jlamillan/etcd,swingbach/etcd,junxu/etcd,mischief/etcd,xueshanf/etcd,shawnps/etcd,cvik/etcd,sebrandon1/etcd,tguangch/etcd,chenbaihu/etcd,arthurcolle/etcd,mwitkow/etcd,swingbach/etcd,shafreeck/etcd,bluebreezecf/etcd,tempbottle/etcd,polvi/etcd,ecnahc515/etcd,xebitstudios/etcd,visheshnp/etcd,luxas/etcd,shawnps/etcd,hzy001/etcd,fanminshi/etcd,fgbreel/etcd,honeyqa/etcd,joshix/etcd,kingland/etcd,yudai/etcd,wantonsolutions/dinv-etcd,lzbgt/etcd,arthurcolle/etcd,YuleiXiao/etcd,beni55/etcd,spotify/etcd,raoofm/etcd,fasaxc/etcd,mqliang/etcd,Yhgenomics/etcd,onlyjob/etcd,etcd-io/etcd,mitake/etcd,hongbinz/etcd,mickep76/etcd,Eagle-X/etcd,vimalk78/etcd,insionng/etcd,crandles/etcd,mqliang/etcd,robszumski/etcd,vimalk78/etcd,HideoYamauchi/etcd,li-ang/etcd,chenbaihu/etcd,hpcloud/etcd,sofuture/etcd,chipironcin/etcd,linuxcer/etcd,elimisteve/etcd,Winslett/etcd,imzhulei/etcd,mkumatag/etcd,insionng/etcd,QuantiumTechnology/etcd,fanminshi/etcd,nkhare/etcd,rnaveiras/etcd,tguangch/etcd,betawaffle/etcd,bakins/etcd,snailwalker/etcd,glevand/coreos--etcd,gosharplite/etcd,combk8s/etcd,elimisteve/etcd,CrazyJvm/etcd,spacejam/etcd,svdata/etcd,Yhgenomics/etcd,qqsun8819/etcd,visheshnp/etcd,coreos/etcd,kkaneda/etcd,jeremyeder/etcd,armstrongli/etcd,nieanan/etcd,tamird/etcd,njucslqq/etcd,shakefu/etcd,wowsoso/etcd,joshix/etcd,pigfoot/etcd,bakins/etcd,asim/etcd,OyTao/etcd_learning,heyitsanthony/etcd,yifan-gu/etcd,mkumatag/etcd,cockroachdb/etcd,achanda/etcd,njharman/etcd,dterei/etcd,whuwxl/etcd,tempbottle/etcd,li-ang/etcd,etcd-io/etcd,pengzj/etcd,betawaffle/etcd,mickep76/etcd,steveeJ/etcd,xiang90/etcd,hongbinz/etcd,qiaochao911/etcd,combk8s/etcd,snailwalker/etcd,HideoYamauchi/etcd,spacejam/etcd,QuantiumTechnology/etcd,devfreesg/etcd,dannysauer/etcd,jravetch/etcd,plasticbox/etcd,glensc/etcd,CrazyJvm/etcd,msanterre/etcd,yichengq/etcd,purpleidea/etcd,ajityagaty/etcd,raoofm/etcd,csuideal/etcd,asim/etcd,achanda/etcd,TheHippo/etcd,gosharplite/etcd,wfxiang08/etcd,lorneli/etcd,es-chow/etcd,jefby/etcd,sinsharat/etcd,pauldallen/etcd,hzy001/etcd,SivagnanamCiena/etcd,bspline/etcd,es-chow/etcd,gityf/etcd,beni55/etcd,dterei/etcd,Ulexus/etcd,sayden/etcd,xychu/etcd,gtank/etcd,YuleiXiao/etcd,cockroachdb/etcd,qiaochao911/etcd,yyljlyy/etcd,spotify/etcd,yudai/etcd,yifan-gu/etcd,shakefu/etcd,ecnahc515/etcd,ajityagaty/etcd,njucslqq/etcd,fasaxc/etcd,jeremyeder/etcd,nekto0n/etcd,mgoelzer/etcd-fork2,ylong/etcd,TheHippo/etcd,msanterre/etcd,cvik/etcd,jravetch/etcd,svdata/etcd,improbable-io/etcd,gtank/etcd,princeqjzh/etcd,gae123/etcd,ravigadde/etcd,StorReduce/etcd,mitake/etcd,xueshanf/etcd,yyljlyy/etcd,mwitkow-io/etcd,endocode/etcd,olark/etcd,jlamillan/etcd,improbable-io/etcd,chai2010-playground/etcd,rnaveiras/etcd,Timer/etcd,giantswarm/etcd,dalanlan/etcd,xdlinear/etcd,freeloop1114/etcd,devfreesg/etcd,sebschrader/etcd,kingland/etcd,cognusion/etcd,gouyang/etcd,Ulexus/etcd,nekto0n/etcd,dalanlan/etcd,barakmich/etcd,pengzj/etcd,iamqizhao/etcd,mwitkow-io/etcd,hongchaodeng/etcd,mkumatag/etcd,fgbreel/etcd,glensc/etcd,mike-lerch/etcd,iamqizhao/etcd,Ulexus/etcd,bspline/etcd,sebrandon1/etcd,spotify/etcd,njharman/etcd,csuideal/etcd,cvik/etcd,rchicoli/etcd,xebitstudios/etcd,handsomesun/etcd,princeqjzh/etcd,insequent/etcd,glevand/coreos--etcd,openedbox/etcd,cognusion/etcd,kkaneda/etcd,nkhare/etcd,freeloop1114/etcd,sofuture/etcd,mgoelzer/etcd-fork2,luxas/etcd,chai2010-playground/etcd,Winslett/etcd,sebschrader/etcd,gouyang/etcd,jonboulle/etcd,xychu/etcd,handsomesun/etcd,jonboulle/etcd,gyuho/etcd,jmptrader/etcd,hongchaodeng/etcd,a-robinson/etcd,spotify/etcd,tangkun75/etcd,chai2010/etcd,steveeJ/etcd,openedbox/etcd,akauppi/etcd,bdarnell/etcd,insequent/etcd,justintung/etcd,ajityagaty/etcd,bluebreezecf/etcd,glycerine/etcd,linuxcer/etcd,cvik/etcd,mike-lerch/etcd,Ulexus/etcd,xdlinear/etcd,lumjjb/etcd,jefby/etcd,xiang90/etcd,barakmich/etcd,ktateish/etcd,olark/etcd,purpleidea/etcd,plasticbox/etcd,OyTao/etcd_learning,zaphod-concur/etcd,akauppi/etcd,gyuho/etcd,junxu/etcd,heyitsanthony/etcd,tamird/etcd,hroyrh/etcd,bdarnell/etcd,axingblog/etcd,jmptrader/etcd,youxidev/etcd,qqsun8819/etcd,dnaeon/etcd,mwitkow/etcd,lumjjb/etcd,rnaveiras/etcd,lorneli/etcd,oscarrr110/etcd,mqliang/etcd,lzbgt/etcd,oscarrr110/etcd,sayden/etcd,pauldallen/etcd,shafreeck/etcd,Timer/etcd,siddontang/etcd,wantonsolutions/dinv-etcd,westhood/etcd,jchauncey/etcd,zaphod-concur/etcd,ylong/etcd