[Feature Request] Create a Pull Request Template

[Daniel Kim]

Is your proposal related to a problem?
Yes. Pull Requests are very messy and don't really describe what folks are committing.

Describe the solution you'd like
Add a pull request template.

Additional context

https://docs.github.com/en/free-pro-team@latest/github/building-a-strong-community/creating-a-pull-request-template-for-your-repository