Create issue and pull request templates

[kevinfalting]

Check out this and let's discuss in this issue what we'd like these templates to look like.

• https://docs.github.com/en/communities/using-templates-to-encourage-useful-issues-and-pull-requests/about-issue-and-pull-request-templates

[kevinfalting]

Potential PR template:

## Overview

## Thought Process

## Testing Steps

## Risks