TL;DR;

Target Branch: main
Merge Policy: bors is always right (→ bors try)
Docs: every change set is expected to contain doc updates
Commit Msg: be a poet! Comprehensive and explanatory commit messages should cover the motivation and use case in an easily understandable manner even when read after a few months.
Test Driven Development: please default to test driven development you can make use of the ./examples & ./e2e and wire test up in the devshell.

Hooks: please git commit within the devshell
Fail Early: please run check-all from within the devshell on your local machine