contrib/signet: Document miner script in README.md
contrib/signet: Document miner script in README.md

GroestlCoin/GroestlCoin,domob1812/namecore,Xekyo/bitcoin,pstratem/bitcoin,MarcoFalke/bitcoin,bitcoinknots/bitcoin,fanquake/bitcoin,MeshCollider/bitcoin,jlopp/statoshi,EthanHeilman/bitcoin,rnicoll/bitcoin,bitcoinknots/bitcoin,rnicoll/bitcoin,namecoin/namecore,dscotese/bitcoin,jnewbery/bitcoin,achow101/bitcoin,domob1812/bitcoin,andreaskern/bitcoin,pataquets/namecoin-core,jlopp/statoshi,GroestlCoin/GroestlCoin,pataquets/namecoin-core,Xekyo/bitcoin,sstone/bitcoin,prusnak/bitcoin,rnicoll/bitcoin,JeremyRubin/bitcoin,tecnovert/particl-core,fanquake/bitcoin,bitcoin/bitcoin,EthanHeilman/bitcoin,Xekyo/bitcoin,sipsorcery/bitcoin,n1bor/bitcoin,pstratem/bitcoin,JeremyRubin/bitcoin,apoelstra/bitcoin,prusnak/bitcoin,fanquake/bitcoin,kallewoof/bitcoin,yenliangl/bitcoin,andreaskern/bitcoin,qtumproject/qtum,qtumproject/qtum,jambolo/bitcoin,pataquets/namecoin-core,n1bor/bitcoin,MarcoFalke/bitcoin,jnewbery/bitcoin,cdecker/bitcoin,GroestlCoin/GroestlCoin,achow101/bitcoin,rnicoll/bitcoin,n1bor/bitcoin,EthanHeilman/bitcoin,instagibbs/bitcoin,andreaskern/bitcoin,jlopp/statoshi,sstone/bitcoin,mm-s/bitcoin,jnewbery/bitcoin,bitcoin/bitcoin,dscotese/bitcoin,pstratem/bitcoin,jlopp/statoshi,qtumproject/qtum,instagibbs/bitcoin,lateminer/bitcoin,jambolo/bitcoin,jamesob/bitcoin,GroestlCoin/bitcoin,instagibbs/bitcoin,MarcoFalke/bitcoin,pataquets/namecoin-core,instagibbs/bitcoin,apoelstra/bitcoin,MeshCollider/bitcoin,domob1812/namecore,instagibbs/bitcoin,tecnovert/particl-core,mm-s/bitcoin,domob1812/namecore,prusnak/bitcoin,ajtowns/bitcoin,domob1812/bitcoin,mm-s/bitcoin,namecoin/namecoin-core,namecoin/namecoin-core,mruddy/bitcoin,ajtowns/bitcoin,jamesob/bitcoin,sstone/bitcoin,pstratem/bitcoin,particl/particl-core,pstratem/bitcoin,lateminer/bitcoin,yenliangl/bitcoin,tecnovert/particl-core,pataquets/namecoin-core,andreaskern/bitcoin,apoelstra/bitcoin,Sjors/bitcoin,fujicoin/fujicoin,ajtowns/bitcoin,practicalswift/bitcoin,yenliangl/bitcoin,mm-s/bitcoin,practicalswift/bitcoin,mruddy/bitcoin,bitcoinknots/bitcoin,namecoin/namecore,cdecker/bitcoin,jlopp/statoshi,pstratem/bitcoin,n1bor/bitcoin,anditto/bitcoin,fanquake/bitcoin,namecoin/namecore,AkioNak/bitcoin,dscotese/bitcoin,yenliangl/bitcoin,particl/particl-core,namecoin/namecore,JeremyRubin/bitcoin,GroestlCoin/bitcoin,domob1812/namecore,domob1812/bitcoin,Sjors/bitcoin,ElementsProject/elements,practicalswift/bitcoin,ajtowns/bitcoin,instagibbs/bitcoin,cdecker/bitcoin,Sjors/bitcoin,kallewoof/bitcoin,jamesob/bitcoin,bitcoinsSG/bitcoin,fujicoin/fujicoin,tecnovert/particl-core,MeshCollider/bitcoin,rnicoll/bitcoin,andreaskern/bitcoin,domob1812/namecore,GroestlCoin/GroestlCoin,GroestlCoin/GroestlCoin,prusnak/bitcoin,namecoin/namecoin-core,JeremyRubin/bitcoin,qtumproject/qtum,prusnak/bitcoin,jnewbery/bitcoin,fujicoin/fujicoin,mruddy/bitcoin,practicalswift/bitcoin,namecoin/namecoin-core,fujicoin/fujicoin,domob1812/bitcoin,jambolo/bitcoin,ajtowns/bitcoin,jambolo/bitcoin,AkioNak/bitcoin,mruddy/bitcoin,GroestlCoin/GroestlCoin,jlopp/statoshi,cdecker/bitcoin,jambolo/bitcoin,tecnovert/particl-core,achow101/bitcoin,kallewoof/bitcoin,bitcoin/bitcoin,jamesob/bitcoin,AkioNak/bitcoin,sipsorcery/bitcoin,bitcoinsSG/bitcoin,MarcoFalke/bitcoin,sstone/bitcoin,MarcoFalke/bitcoin,anditto/bitcoin,Xekyo/bitcoin,EthanHeilman/bitcoin,n1bor/bitcoin,sstone/bitcoin,sipsorcery/bitcoin,GroestlCoin/bitcoin,namecoin/namecore,pataquets/namecoin-core,domob1812/namecore,jamesob/bitcoin,EthanHeilman/bitcoin,qtumproject/qtum,GroestlCoin/bitcoin,lateminer/bitcoin,bitcoin/bitcoin,fujicoin/fujicoin,MeshCollider/bitcoin,MeshCollider/bitcoin,fujicoin/fujicoin,anditto/bitcoin,ElementsProject/elements,fanquake/bitcoin,n1bor/bitcoin,EthanHeilman/bitcoin,mruddy/bitcoin,achow101/bitcoin,bitcoinsSG/bitcoin,particl/particl-core,prusnak/bitcoin,MeshCollider/bitcoin,mm-s/bitcoin,particl/particl-core,lateminer/bitcoin,qtumproject/qtum,jambolo/bitcoin,achow101/bitcoin,tecnovert/particl-core,lateminer/bitcoin,apoelstra/bitcoin,bitcoinknots/bitcoin,dscotese/bitcoin,bitcoinsSG/bitcoin,domob1812/bitcoin,kallewoof/bitcoin,achow101/bitcoin,JeremyRubin/bitcoin,jamesob/bitcoin,bitcoinsSG/bitcoin,AkioNak/bitcoin,ElementsProject/elements,lateminer/bitcoin,practicalswift/bitcoin,ElementsProject/elements,JeremyRubin/bitcoin,ElementsProject/elements,Xekyo/bitcoin,andreaskern/bitcoin,dscotese/bitcoin,bitcoin/bitcoin,dscotese/bitcoin,fanquake/bitcoin,namecoin/namecoin-core,sipsorcery/bitcoin,Sjors/bitcoin,sipsorcery/bitcoin,GroestlCoin/bitcoin,qtumproject/qtum,bitcoinknots/bitcoin,anditto/bitcoin,anditto/bitcoin,Xekyo/bitcoin,GroestlCoin/bitcoin,particl/particl-core,yenliangl/bitcoin,bitcoin/bitcoin,practicalswift/bitcoin,ElementsProject/elements,namecoin/namecoin-core,cdecker/bitcoin,domob1812/bitcoin,anditto/bitcoin,rnicoll/bitcoin,Sjors/bitcoin,mm-s/bitcoin,ajtowns/bitcoin,AkioNak/bitcoin,apoelstra/bitcoin,mruddy/bitcoin,MarcoFalke/bitcoin,sipsorcery/bitcoin,sstone/bitcoin,bitcoinsSG/bitcoin,yenliangl/bitcoin,kallewoof/bitcoin,cdecker/bitcoin,apoelstra/bitcoin,particl/particl-core,jnewbery/bitcoin,AkioNak/bitcoin,namecoin/namecore,kallewoof/bitcoin