Update README to use 2.0.0
Update README to use 2.0.0

abbeycode/Nimble,ashfurrow/Nimble,DanielAsher/Nimble,DanielAsher/Nimble,phatblat/Nimble,AnthonyMDev/Nimble,feinstruktur/Nimble,feinstruktur/Nimble,twobitlabs/Nimble,jeffh/Nimble,AnthonyMDev/Nimble,Quick/Nimble,twobitlabs/Nimble,jeffh/Nimble,phatblat/Nimble,mishimay/Nimble,ashfurrow/Nimble,dgdosen/Nimble,jeffh/Nimble,dgdosen/Nimble,dgdosen/Nimble,Quick/Nimble,mishimay/Nimble,AnthonyMDev/Nimble,DanielAsher/Nimble,abbeycode/Nimble,phatblat/Nimble,mishimay/Nimble,feinstruktur/Nimble,abbeycode/Nimble,abbeycode/Nimble,dgdosen/Nimble,jeffh/Nimble,Quick/Nimble,ashfurrow/Nimble,twobitlabs/Nimble