README update
README update

[fixes #789]
[fixes #798]
[ci skip]

mavenlink/doorkeeper,EasterAndJay/doorkeeper,mavenlink/doorkeeper,outstand/doorkeeper,nbulaj/doorkeeper,mavenlink/doorkeeper,jasl/doorkeeper,doorkeeper-gem/doorkeeper,moneytree/doorkeeper,doorkeeper-gem/doorkeeper,dollarshaveclub/doorkeeper,dollarshaveclub/doorkeeper,outstand/doorkeeper,moneytree/doorkeeper,doorkeeper-gem/doorkeeper,outstand/doorkeeper,EasterAndJay/doorkeeper,nbulaj/doorkeeper,jasl/doorkeeper,jasl/doorkeeper