Add Code Spell Checker

[jackyuan1]

Fixes #4101

What changes did you make?

• Add code spell checker to local repo
• Add instructions within CONTRIBUTING.md

Why did you make the changes (we will use this info to test)?

• For Reviewers: Do not review changes locally, rather, review changes at https://github.com/jackyuan1/website/blob/add-code-spell-checker-4101/CONTRIBUTING.md
• Use consistent tooling within codebases

Screenshots of Proposed Changes Of The Website (if any, please do not screen shot code changes)

Visuals before changes are applied

Visuals after changes are applied

[github-actions]

Want to review this pull request? Take a look at this documentation for a step by step guide!

From your project repository, check out a new branch and test the changes.

git checkout -b jackyuan1-add-code-spell-checker-4101 gh-pages
git pull https://github.com/jackyuan1/website.git add-code-spell-checker-4101

[kevin31yu]

Hey @jackyuan1, everything looks great to me. I believe it is ready to merge. Lets wait for another reviewer before merging. Well done.

[kevin31yu]

Hey @jackyuan1, everything looks great to me. I believe it is ready to merge. Lets wait for another reviewer before merging. Well done.

[jaasonw]

everything looks good to me 🚀
small nitpick though: for future reference, "Add Code Spell Checker" seems like you added a spell checker to the codebase, would recommend being more specific like "Add Code Spell Checker Instructions to Documentation"