[CI/CD] Set up git pre-commit and other hooks to make for a smoother contributor experience

[chalin]

@open-telemetry/docs-maintainers - to help all contributors, us included, I'd like to suggest that we setup Git hooks, in particular pre-commit hooks. We can help enforce those using https://github.com/typicode/husky. WDYT?

Tasks

• Prep: Contrib note fix and CI/CD pre-commit hook prep #8314 -- sets up scripts for opting in
• ...