prepare for beta release

[ntno]

Describe the problem you'd like to have solved

• [x] remove temporary debug feature
  • [x] documentation/local.yml
  • [x] macros/debug.j2
  • [x] partials/debug.html
  • [x] base.html
• [ ] update pyproject.toml classifier
• [ ] #73
• [ ] investigate:
  • [x] #11
  • [x] #57

[ntno]

moving to milestone for tracking