doc: Add ci prefix to CONTRIBUTING.md
doc: Add ci prefix to CONTRIBUTING.md

Xekyo/bitcoin,pataquets/namecoin-core,AkioNak/bitcoin,Sjors/bitcoin,qtumproject/qtum,mm-s/bitcoin,yenliangl/bitcoin,andreaskern/bitcoin,rnicoll/bitcoin,DigitalPandacoin/pandacoin,anditto/bitcoin,bitcoinknots/bitcoin,jnewbery/bitcoin,cdecker/bitcoin,particl/particl-core,mm-s/bitcoin,MarcoFalke/bitcoin,sipsorcery/bitcoin,ElementsProject/elements,sipsorcery/bitcoin,sipsorcery/bitcoin,achow101/bitcoin,achow101/bitcoin,ajtowns/bitcoin,bitcoinsSG/bitcoin,ahmedbodi/vertcoin,EthanHeilman/bitcoin,kallewoof/bitcoin,namecoin/namecoin-core,GroestlCoin/bitcoin,MeshCollider/bitcoin,yenliangl/bitcoin,DigitalPandacoin/pandacoin,GroestlCoin/GroestlCoin,fanquake/bitcoin,jamesob/bitcoin,bitcoinsSG/bitcoin,bitcoin/bitcoin,ajtowns/bitcoin,namecoin/namecoin-core,prusnak/bitcoin,dscotese/bitcoin,Sjors/bitcoin,lateminer/bitcoin,rnicoll/bitcoin,tecnovert/particl-core,bitcoinsSG/bitcoin,n1bor/bitcoin,MarcoFalke/bitcoin,ajtowns/bitcoin,ElementsProject/elements,anditto/bitcoin,GroestlCoin/GroestlCoin,jlopp/statoshi,vertcoin/vertcoin,particl/particl-core,DigitalPandacoin/pandacoin,anditto/bitcoin,Xekyo/bitcoin,bitcoinknots/bitcoin,apoelstra/bitcoin,jlopp/statoshi,domob1812/namecore,jonasschnelli/bitcoin,pstratem/bitcoin,DigitalPandacoin/pandacoin,pstratem/bitcoin,gjhiggins/vcoincore,midnightmagic/bitcoin,fanquake/bitcoin,GroestlCoin/GroestlCoin,vertcoin/vertcoin,MarcoFalke/bitcoin,DigitalPandacoin/pandacoin,namecoin/namecore,instagibbs/bitcoin,bitcoinknots/bitcoin,peercoin/peercoin,kallewoof/bitcoin,fujicoin/fujicoin,Sjors/bitcoin,mitchellcash/bitcoin,mruddy/bitcoin,jamesob/bitcoin,fanquake/bitcoin,andreaskern/bitcoin,mitchellcash/bitcoin,namecoin/namecoin-core,practicalswift/bitcoin,EthanHeilman/bitcoin,AkioNak/bitcoin,EthanHeilman/bitcoin,rnicoll/dogecoin,tecnovert/particl-core,Xekyo/bitcoin,particl/particl-core,prusnak/bitcoin,MeshCollider/bitcoin,mm-s/bitcoin,jambolo/bitcoin,sipsorcery/bitcoin,bitcoin/bitcoin,Xekyo/bitcoin,anditto/bitcoin,fujicoin/fujicoin,monacoinproject/monacoin,instagibbs/bitcoin,domob1812/bitcoin,yenliangl/bitcoin,jambolo/bitcoin,jambolo/bitcoin,pstratem/bitcoin,sipsorcery/bitcoin,vertcoin/vertcoin,lateminer/bitcoin,JeremyRubin/bitcoin,andreaskern/bitcoin,lateminer/bitcoin,mitchellcash/bitcoin,AkioNak/bitcoin,ElementsProject/elements,AkioNak/bitcoin,MarcoFalke/bitcoin,practicalswift/bitcoin,GroestlCoin/bitcoin,EthanHeilman/bitcoin,monacoinproject/monacoin,jonasschnelli/bitcoin,mm-s/bitcoin,GroestlCoin/bitcoin,prusnak/bitcoin,qtumproject/qtum,JeremyRubin/bitcoin,midnightmagic/bitcoin,vertcoin/vertcoin,MarcoFalke/bitcoin,qtumproject/qtum,kallewoof/bitcoin,particl/particl-core,namecoin/namecore,GroestlCoin/bitcoin,gjhiggins/vcoincore,mm-s/bitcoin,pataquets/namecoin-core,anditto/bitcoin,jambolo/bitcoin,fujicoin/fujicoin,lateminer/bitcoin,litecoin-project/litecoin,bitcoin/bitcoin,qtumproject/qtum,midnightmagic/bitcoin,jonasschnelli/bitcoin,bitcoinknots/bitcoin,achow101/bitcoin,alecalve/bitcoin,gjhiggins/vcoincore,jlopp/statoshi,namecoin/namecoin-core,sstone/bitcoin,yenliangl/bitcoin,jambolo/bitcoin,litecoin-project/litecoin,sstone/bitcoin,apoelstra/bitcoin,domob1812/bitcoin,yenliangl/bitcoin,ElementsProject/elements,midnightmagic/bitcoin,JeremyRubin/bitcoin,pataquets/namecoin-core,cdecker/bitcoin,midnightmagic/bitcoin,mitchellcash/bitcoin,alecalve/bitcoin,dscotese/bitcoin,Xekyo/bitcoin,apoelstra/bitcoin,peercoin/peercoin,prusnak/bitcoin,AkioNak/bitcoin,jamesob/bitcoin,gjhiggins/vcoincore,achow101/bitcoin,particl/particl-core,MeshCollider/bitcoin,dscotese/bitcoin,tecnovert/particl-core,qtumproject/qtum,particl/particl-core,cdecker/bitcoin,pataquets/namecoin-core,pataquets/namecoin-core,domob1812/namecore,instagibbs/bitcoin,GroestlCoin/bitcoin,dscotese/bitcoin,jlopp/statoshi,mruddy/bitcoin,anditto/bitcoin,alecalve/bitcoin,ahmedbodi/vertcoin,peercoin/peercoin,domob1812/bitcoin,ahmedbodi/vertcoin,AkioNak/bitcoin,sstone/bitcoin,andreaskern/bitcoin,sstone/bitcoin,andreaskern/bitcoin,bitcoinsSG/bitcoin,mruddy/bitcoin,apoelstra/bitcoin,domob1812/namecore,dscotese/bitcoin,practicalswift/bitcoin,namecoin/namecore,sipsorcery/bitcoin,litecoin-project/litecoin,fujicoin/fujicoin,jnewbery/bitcoin,fanquake/bitcoin,jambolo/bitcoin,domob1812/namecore,bitcoinknots/bitcoin,cdecker/bitcoin,Xekyo/bitcoin,domob1812/bitcoin,qtumproject/qtum,namecoin/namecore,pstratem/bitcoin,jnewbery/bitcoin,peercoin/peercoin,litecoin-project/litecoin,monacoinproject/monacoin,namecoin/namecoin-core,alecalve/bitcoin,jamesob/bitcoin,dscotese/bitcoin,rnicoll/bitcoin,ahmedbodi/vertcoin,yenliangl/bitcoin,tecnovert/particl-core,bitcoinsSG/bitcoin,peercoin/peercoin,domob1812/bitcoin,JeremyRubin/bitcoin,GroestlCoin/GroestlCoin,GroestlCoin/GroestlCoin,cdecker/bitcoin,namecoin/namecore,MeshCollider/bitcoin,jlopp/statoshi,kallewoof/bitcoin,achow101/bitcoin,rnicoll/dogecoin,JeremyRubin/bitcoin,n1bor/bitcoin,MeshCollider/bitcoin,pstratem/bitcoin,EthanHeilman/bitcoin,sstone/bitcoin,instagibbs/bitcoin,MarcoFalke/bitcoin,mruddy/bitcoin,mitchellcash/bitcoin,kallewoof/bitcoin,ahmedbodi/vertcoin,GroestlCoin/GroestlCoin,rnicoll/bitcoin,jamesob/bitcoin,lateminer/bitcoin,gjhiggins/vcoincore,fanquake/bitcoin,mitchellcash/bitcoin,ElementsProject/elements,EthanHeilman/bitcoin,instagibbs/bitcoin,ajtowns/bitcoin,alecalve/bitcoin,monacoinproject/monacoin,gjhiggins/vcoincore,vertcoin/vertcoin,jonasschnelli/bitcoin,practicalswift/bitcoin,rnicoll/dogecoin,rnicoll/dogecoin,ElementsProject/elements,monacoinproject/monacoin,jonasschnelli/bitcoin,domob1812/bitcoin,prusnak/bitcoin,ajtowns/bitcoin,cdecker/bitcoin,jnewbery/bitcoin,namecoin/namecore,n1bor/bitcoin,n1bor/bitcoin,rnicoll/bitcoin,lateminer/bitcoin,alecalve/bitcoin,kallewoof/bitcoin,n1bor/bitcoin,jamesob/bitcoin,bitcoin/bitcoin,litecoin-project/litecoin,n1bor/bitcoin,rnicoll/dogecoin,apoelstra/bitcoin,tecnovert/particl-core,fujicoin/fujicoin,practicalswift/bitcoin,bitcoinsSG/bitcoin,GroestlCoin/bitcoin,pstratem/bitcoin,mm-s/bitcoin,bitcoin/bitcoin,sstone/bitcoin,tecnovert/particl-core,ajtowns/bitcoin,mruddy/bitcoin,domob1812/namecore,mruddy/bitcoin,DigitalPandacoin/pandacoin,practicalswift/bitcoin,prusnak/bitcoin,rnicoll/bitcoin,peercoin/peercoin,achow101/bitcoin,litecoin-project/litecoin,monacoinproject/monacoin,namecoin/namecoin-core,qtumproject/qtum,jnewbery/bitcoin,instagibbs/bitcoin,JeremyRubin/bitcoin,ahmedbodi/vertcoin,Sjors/bitcoin,midnightmagic/bitcoin,fanquake/bitcoin,jlopp/statoshi,pataquets/namecoin-core,apoelstra/bitcoin,fujicoin/fujicoin,domob1812/namecore,vertcoin/vertcoin,andreaskern/bitcoin,bitcoin/bitcoin,Sjors/bitcoin,MeshCollider/bitcoin