docs: add perf section to developer docs
docs: add perf section to developer docs

lateminer/bitcoin,achow101/bitcoin,wellenreiter01/Feathercoin,tecnovert/particl-core,droark/bitcoin,myriadcoin/myriadcoin,yenliangl/bitcoin,OmniLayer/omnicore,jtimon/bitcoin,lateminer/bitcoin,domob1812/bitcoin,FeatherCoin/Feathercoin,jambolo/bitcoin,monacoinproject/monacoin,EthanHeilman/bitcoin,ahmedbodi/vertcoin,namecoin/namecore,myriadcoin/myriadcoin,GroestlCoin/GroestlCoin,nikkitan/bitcoin,sstone/bitcoin,monacoinproject/monacoin,alecalve/bitcoin,sipsorcery/bitcoin,bitcoinsSG/bitcoin,afk11/bitcoin,tecnovert/particl-core,CryptArc/bitcoin,dscotese/bitcoin,tjps/bitcoin,nikkitan/bitcoin,FeatherCoin/Feathercoin,droark/bitcoin,mitchellcash/bitcoin,vertcoin/vertcoin,achow101/bitcoin,jnewbery/bitcoin,AkioNak/bitcoin,domob1812/namecore,mitchellcash/bitcoin,instagibbs/bitcoin,pataquets/namecoin-core,MeshCollider/bitcoin,andreaskern/bitcoin,GroestlCoin/bitcoin,lateminer/bitcoin,practicalswift/bitcoin,JeremyRubin/bitcoin,sipsorcery/bitcoin,instagibbs/bitcoin,jambolo/bitcoin,jonasschnelli/bitcoin,bitcoinsSG/bitcoin,tecnovert/particl-core,mruddy/bitcoin,untrustbank/litecoin,DigitalPandacoin/pandacoin,domob1812/namecore,jlopp/statoshi,Sjors/bitcoin,mruddy/bitcoin,domob1812/namecore,MeshCollider/bitcoin,JeremyRubin/bitcoin,anditto/bitcoin,bitcoin/bitcoin,CryptArc/bitcoin,monacoinproject/monacoin,bitcoinknots/bitcoin,domob1812/namecore,jambolo/bitcoin,untrustbank/litecoin,midnightmagic/bitcoin,alecalve/bitcoin,myriadcoin/myriadcoin,ajtowns/bitcoin,bitcoinsSG/bitcoin,anditto/bitcoin,r8921039/bitcoin,Sjors/bitcoin,pataquets/namecoin-core,particl/particl-core,nikkitan/bitcoin,MarcoFalke/bitcoin,dscotese/bitcoin,sstone/bitcoin,sipsorcery/bitcoin,andreaskern/bitcoin,rnicoll/dogecoin,droark/bitcoin,namecoin/namecoin-core,AkioNak/bitcoin,ahmedbodi/vertcoin,pstratem/bitcoin,gjhiggins/vcoincore,apoelstra/bitcoin,namecoin/namecore,FeatherCoin/Feathercoin,instagibbs/bitcoin,JeremyRubin/bitcoin,MarcoFalke/bitcoin,tecnovert/particl-core,MarcoFalke/bitcoin,bespike/litecoin,afk11/bitcoin,cdecker/bitcoin,litecoin-project/litecoin,myriadteam/myriadcoin,pataquets/namecoin-core,GroestlCoin/GroestlCoin,r8921039/bitcoin,tjps/bitcoin,jtimon/bitcoin,MarcoFalke/bitcoin,rnicoll/bitcoin,ElementsProject/elements,wellenreiter01/Feathercoin,ajtowns/bitcoin,myriadteam/myriadcoin,gjhiggins/vcoincore,Xekyo/bitcoin,fujicoin/fujicoin,ajtowns/bitcoin,AkioNak/bitcoin,OmniLayer/omnicore,bitcoinknots/bitcoin,ElementsProject/elements,AkioNak/bitcoin,namecoin/namecore,JeremyRubin/bitcoin,mitchellcash/bitcoin,FeatherCoin/Feathercoin,gjhiggins/vcoincore,alecalve/bitcoin,dscotese/bitcoin,fanquake/bitcoin,droark/bitcoin,OmniLayer/omnicore,jlopp/statoshi,Sjors/bitcoin,sstone/bitcoin,n1bor/bitcoin,jtimon/bitcoin,EthanHeilman/bitcoin,sstone/bitcoin,dscotese/bitcoin,cdecker/bitcoin,ajtowns/bitcoin,tecnovert/particl-core,practicalswift/bitcoin,GroestlCoin/bitcoin,prusnak/bitcoin,namecoin/namecoin-core,wellenreiter01/Feathercoin,jambolo/bitcoin,peercoin/peercoin,prusnak/bitcoin,particl/particl-core,yenliangl/bitcoin,ahmedbodi/vertcoin,wellenreiter01/Feathercoin,particl/particl-core,jnewbery/bitcoin,midnightmagic/bitcoin,CryptArc/bitcoin,jambolo/bitcoin,qtumproject/qtum,mm-s/bitcoin,fanquake/bitcoin,particl/particl-core,tjps/bitcoin,namecoin/namecoin-core,gjhiggins/vcoincore,MeshCollider/bitcoin,lateminer/bitcoin,mm-s/bitcoin,mitchellcash/bitcoin,sstone/bitcoin,qtumproject/qtum,achow101/bitcoin,jamesob/bitcoin,qtumproject/qtum,apoelstra/bitcoin,domob1812/bitcoin,rnicoll/bitcoin,pataquets/namecoin-core,lateminer/bitcoin,bespike/litecoin,jtimon/bitcoin,pataquets/namecoin-core,bitcoinknots/bitcoin,tjps/bitcoin,dscotese/bitcoin,prusnak/bitcoin,mitchellcash/bitcoin,n1bor/bitcoin,achow101/bitcoin,afk11/bitcoin,jamesob/bitcoin,rnicoll/bitcoin,GroestlCoin/bitcoin,n1bor/bitcoin,bespike/litecoin,MarcoFalke/bitcoin,pstratem/bitcoin,cdecker/bitcoin,GroestlCoin/bitcoin,wellenreiter01/Feathercoin,rnicoll/dogecoin,sipsorcery/bitcoin,anditto/bitcoin,peercoin/peercoin,apoelstra/bitcoin,afk11/bitcoin,Xekyo/bitcoin,bitcoin/bitcoin,jambolo/bitcoin,namecoin/namecoin-core,jamesob/bitcoin,jtimon/bitcoin,yenliangl/bitcoin,litecoin-project/litecoin,kallewoof/bitcoin,GroestlCoin/GroestlCoin,AkioNak/bitcoin,peercoin/peercoin,pstratem/bitcoin,MarcoFalke/bitcoin,CryptArc/bitcoin,DigitalPandacoin/pandacoin,lateminer/bitcoin,fanquake/bitcoin,OmniLayer/omnicore,jonasschnelli/bitcoin,fujicoin/fujicoin,FeatherCoin/Feathercoin,r8921039/bitcoin,GroestlCoin/GroestlCoin,jnewbery/bitcoin,yenliangl/bitcoin,alecalve/bitcoin,CryptArc/bitcoin,bespike/litecoin,domob1812/bitcoin,myriadteam/myriadcoin,domob1812/bitcoin,bitcoinsSG/bitcoin,OmniLayer/omnicore,prusnak/bitcoin,alecalve/bitcoin,wellenreiter01/Feathercoin,Sjors/bitcoin,fujicoin/fujicoin,dscotese/bitcoin,sipsorcery/bitcoin,vertcoin/vertcoin,vertcoin/vertcoin,untrustbank/litecoin,Sjors/bitcoin,fanquake/bitcoin,ElementsProject/elements,gjhiggins/vcoincore,fujicoin/fujicoin,untrustbank/litecoin,apoelstra/bitcoin,litecoin-project/litecoin,bitcoin/bitcoin,particl/particl-core,OmniLayer/omnicore,instagibbs/bitcoin,anditto/bitcoin,droark/bitcoin,n1bor/bitcoin,pstratem/bitcoin,instagibbs/bitcoin,fujicoin/fujicoin,monacoinproject/monacoin,mm-s/bitcoin,rnicoll/dogecoin,jonasschnelli/bitcoin,yenliangl/bitcoin,litecoin-project/litecoin,droark/bitcoin,MeshCollider/bitcoin,afk11/bitcoin,vertcoin/vertcoin,GroestlCoin/bitcoin,apoelstra/bitcoin,vertcoin/vertcoin,andreaskern/bitcoin,bitcoin/bitcoin,instagibbs/bitcoin,myriadteam/myriadcoin,mitchellcash/bitcoin,litecoin-project/litecoin,ahmedbodi/vertcoin,n1bor/bitcoin,andreaskern/bitcoin,jonasschnelli/bitcoin,EthanHeilman/bitcoin,jlopp/statoshi,yenliangl/bitcoin,AkioNak/bitcoin,bespike/litecoin,jtimon/bitcoin,ajtowns/bitcoin,pstratem/bitcoin,Xekyo/bitcoin,mruddy/bitcoin,Xekyo/bitcoin,namecoin/namecore,kallewoof/bitcoin,afk11/bitcoin,jamesob/bitcoin,bitcoinknots/bitcoin,EthanHeilman/bitcoin,mm-s/bitcoin,mruddy/bitcoin,CryptArc/bitcoin,nikkitan/bitcoin,pataquets/namecoin-core,n1bor/bitcoin,ElementsProject/elements,rnicoll/bitcoin,mruddy/bitcoin,bespike/litecoin,r8921039/bitcoin,ElementsProject/elements,tecnovert/particl-core,cdecker/bitcoin,mruddy/bitcoin,midnightmagic/bitcoin,GroestlCoin/bitcoin,anditto/bitcoin,fanquake/bitcoin,rnicoll/bitcoin,rnicoll/dogecoin,qtumproject/qtum,apoelstra/bitcoin,kallewoof/bitcoin,sipsorcery/bitcoin,prusnak/bitcoin,midnightmagic/bitcoin,JeremyRubin/bitcoin,mm-s/bitcoin,namecoin/namecore,practicalswift/bitcoin,myriadcoin/myriadcoin,JeremyRubin/bitcoin,andreaskern/bitcoin,GroestlCoin/GroestlCoin,achow101/bitcoin,namecoin/namecoin-core,mm-s/bitcoin,myriadteam/myriadcoin,anditto/bitcoin,untrustbank/litecoin,prusnak/bitcoin,MeshCollider/bitcoin,monacoinproject/monacoin,ElementsProject/elements,kallewoof/bitcoin,EthanHeilman/bitcoin,rnicoll/dogecoin,tjps/bitcoin,tjps/bitcoin,qtumproject/qtum,kallewoof/bitcoin,domob1812/bitcoin,jlopp/statoshi,qtumproject/qtum,rnicoll/bitcoin,fujicoin/fujicoin,ahmedbodi/vertcoin,fanquake/bitcoin,vertcoin/vertcoin,peercoin/peercoin,jnewbery/bitcoin,Xekyo/bitcoin,DigitalPandacoin/pandacoin,domob1812/bitcoin,domob1812/namecore,jonasschnelli/bitcoin,jlopp/statoshi,alecalve/bitcoin,r8921039/bitcoin,FeatherCoin/Feathercoin,ajtowns/bitcoin,myriadteam/myriadcoin,achow101/bitcoin,myriadcoin/myriadcoin,untrustbank/litecoin,domob1812/namecore,jnewbery/bitcoin,gjhiggins/vcoincore,ahmedbodi/vertcoin,bitcoin/bitcoin,EthanHeilman/bitcoin,DigitalPandacoin/pandacoin,bitcoinknots/bitcoin,monacoinproject/monacoin,DigitalPandacoin/pandacoin,practicalswift/bitcoin,cdecker/bitcoin,nikkitan/bitcoin,jamesob/bitcoin,midnightmagic/bitcoin,midnightmagic/bitcoin,litecoin-project/litecoin,GroestlCoin/GroestlCoin,bitcoinsSG/bitcoin,jamesob/bitcoin,practicalswift/bitcoin,MeshCollider/bitcoin,r8921039/bitcoin,pstratem/bitcoin,myriadcoin/myriadcoin,jlopp/statoshi,bitcoinsSG/bitcoin,DigitalPandacoin/pandacoin,peercoin/peercoin,bitcoin/bitcoin,practicalswift/bitcoin,namecoin/namecoin-core,nikkitan/bitcoin,qtumproject/qtum,andreaskern/bitcoin,sstone/bitcoin,cdecker/bitcoin,Xekyo/bitcoin,particl/particl-core,namecoin/namecore,kallewoof/bitcoin,peercoin/peercoin