In the "Quick Links" section add a link called "How to contribute?"

[Daniel-Ruiz-Gtz]

Describe the bug In "Quick Links" add a link called "How to Contribute?" which redirects to the documentation on Github of how to contribute

To Reproduce Steps to reproduce the behavior:

1. Go to http://localhost/login/
2. Scroll down
3. See the footer

Expected behavior Add a new link which will take you to the Github repository documentation

Screenshots

Desktop:

• OS: Ubuntu 20.04.3 LTS
• Browser: Firefox
• Version: 3.1.0

Additional context .