chore(kb): SCM best practices

# GitHub

- [ ] setting up your repo
- [ ] repo hygiene
- [ ] using a monorepo (structuring your monorepo)
- [ ] build systems (bazel, github CI)
- [ ] github security
- [ ] github automations (dependabot, etc)
- [ ] branching and pull-requests
- [ ] setting up environments for staging/prod
- [ ] secrets