docs: add pull_request_template.md

[rogigs]

Using the suggestion...

Summary

Created a simple template to pull request

refs:

• Your Pull Request Template Example Might Hurt Efficiency
• Pull Requests Like a PRO: Tips to Make High-Quality Pull Requests

Changes Made

Created a quick standard for describing pull requests to increase understanding of changes and improve the Code Review.

Type of change

• [x] Add docs pull_request_template.md

Screenshots

N/A

[BernardoSM]

Boa! Nem sabia como isso funcionava hahahaha