message: Replace matrix channel name by the new one Gittyup
diff: @@ -24,7 +24,7 @@ Report bugs in Gittyup by opening an issue in the
  Remember to search for existing issues before creating a new one.
  If you still need help, check out our Matrix channel
  -[GitAheadFork:martix.org](https://matrix.to/#/#GitAheadFork:matrix.org).
  +[GitAheadFork:martix.org](https://matrix.to/#/#Gittyup:matrix.org).
  Build Environment
  -----------------
  