Frontend:
- extract 'minimum_access_level' into constant
- prefix testid's with 'invite-members-modal'
- Use inject/provide instead of props for newProjectPath

Database:
- move 'tasks_to_be_done' to a separate table
- add a unique index for [member_id, project_id]
- search all member_tasks for a user when redirecting

Backend:
- removed unneeded 'with_indifferent_access'
- added model validations
- added idempotency spec
- added test for missing 'tasks_to_be_done'
- search by label instead of title when creating issues

Technical writer/UX:
- textual changes

Dangerbot:
- use 'match_array' instead of 'eq'