[Infra Refactor] Add pre-commit hook for link checking

[CrackTheCode016]

Highlight the main issue(s) below:

Often, the build breaks in CI due to a simple link being broken in an MD file

What is the proposed solution?

Add a precommit hook that does one of the following:

• Use a third party npm package for link checking
• Build docusaurus before pushing to Github, could be slow