Maintenance: Release the services

[madebyTimo]

Description

Release every service wiith version v1.2.0 at the end of the sprint

DoD

• [x] every service is released
• [x] every service service runs on the production deployment on the docker server

[madebyTimo]

• [x] bugfinder
• [x] bugfinder backend
• [x] chickenshock
• [x] chickenshock backend
• [x] crosswordpuzzle
• [x] crosswordpuzzle backend
• [x] fileserver
• [x] finitequiz
• [x] finitequiz backend
• [x] landing page
• [x] lecturer interface
• [x] memory
• [x] memory-backend
• [x] overworld
• [x] overworld backend
• [x] third party license notice
• [x] towercrush
• [x] towercrush backend