FEATURE: route start next trick, hand, rubber

[Segelzwerg]

Introduced requirement by #274

• Trick FEATURE: next trick #368
• Hand
• Rubber:
  • WIP: https://github.com/Whist-Team/Whist-Server/tree/feature/next_rubber
  • requires FEATURE: next rubber Whist-Core#258

probably related to #276

[Segelzwerg]

I started to work on the Rubber. Expect to be done in two weeks due to lack of time.