set up hygiene tools for `meeting-room-prototype` repo

[lianilychee]

Tasks

Set up the meeting-room-prototype repo with:

• [ ] Formatting
• [ ] Linting
• [ ] Typechecking
• [ ] Extensions
• [ ] ____

Documentation:

• [ ] liani to consult with mark on this

Resources:

• Repo https://github.com/APL-Innovation-Lab/meeting-room-prototype