Add Twitter handle + revive Twitter account

[bascht]

I think @hagenburger has the correct credentials for https://twitter.com/ruby_berlin, no? 😸

[hagenburger]

Yes.

[bascht]

Could share the credentials with us, so we could actually react / fave to nice messages like https://twitter.com/eljojo/status/971478374924341249 😄

[bascht]

Via 📫 + GPG to mail at bascht dot com would be great.