message: Change wiki link in README.md
  Change wiki link in README.md
diff: @@ -12,7 +12,7 @@ Peercoin Official Development Repo
  [Client Binaries](https://peercoin.net/wallet),
  [Source Code](https://github.com/peercoin/peercoin)
  * Documentation: [Peercoin Whitepaper](https://peercoin.net/resources#whitepaper),
  -[Peercoin Wiki](https://github.com/peercoin/peercoin/wiki)
  +[Peercoin Docs](https://docs.peercoin.net)
  * Help:
  [Forum](https://talk.peercoin.net),
  [Intro & Important Links](https://talk.peercoin.net/t/what-is-peercoin-intro-important-links/2889)
  