freeCodeCamp/.github/PULL_REQUEST_TEMPLATE.md

Checklist:

• [] I have read freeCodeCamp's contribution guidelines.
• [] My pull request has a descriptive title (not a vague title like Update index.md)
• [] My pull request targets the main branch of freeCodeCamp.
• [] I have tested these changes either locally on my machine, or GitPod.

Closes #XXXXX