Refine Copilot and CONTRIBUTING guidelines for clarity and conciseness (#2150)

* Refactor Copilot and CONTRIBUTING guidelines for clarity and conciseness
* Streamline and condense PR review guidelines in CONTRIBUTING.md for improved clarity and usability.
* Apply suggestions from code review
* fix(pre_commit): 🎨 auto format pre-commit hooks

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>