Create Pull Request Template

### Background on the problem the feature will solve/improved user experience
Create a Pull Request Template for Open Sentencing UI

### Describe the solution you'd like
Add a .md file to the .github/ folder to create a new pull request template

### Tasks

1. copy the text in the following link: https://raw.githubusercontent.com/Call-for-Code-for-Racial-Justice/Hacktoberfest/main/.github/pull_request_template.md

2. Create a new file in the Open Sentencing UI
[ .github](https://github.com/Call-for-Code-for-Racial-Justice/Open-Sentencing-UI/tree/main/.github) folder
3. Paste the copied text from above into file
4. name the file: pull_request_template.md
5. commit the change to your branch and create a pull request

### Acceptance Criteria
- Pull Request Template file is in the Open Sentencing UI
[.github folder:](https://github.com/Call-for-Code-for-Racial-Justice/Open-Sentencing-UI/tree/main/.github)
- As a user, when I open a pull request in the Open Sentencing UI
repository, the pull request template shows up