docs: create a file called CONTRIBUTING.md

[nicomiguelino]

Description

Creates a file called CONTRIBUTING.md to comply with the community standards

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce.

• Test A (e.g. unit tests, integration tests, etc.)

Checklist

• I have performed a self-review of my code.
• I have commented my code, particularly in hard-to-understand areas.
• I have made corresponding changes to the documentation (where applicable).
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules