Publish initial frontend

[anbo-de]

DoD

• [ ] As a user, I want to login and see the upload form.
  • integrate login from #45 into the Web UI #53
  • Requirements:
    • menu items:
    • show link to highscore of the current user #54
    • show link to upload form
    • show account information of the current user
    • show logout button
• [ ] Bootstrap was integrated into the React frontend
  • use a standard theme (to have good visual appearance)
  • might be established using https://react-bootstrap.github.io/
• [ ] the code was deployed automatically on https://datacompletewiki.toolforge.org/