docs: move pull request requirements instructions into a comment

[zimeg]

Summary

This PR puts the requirements instruction below into a comment for fast review 📚

Requirements (place an x in each [ ])

• I've read and understood the Contributing Guidelines and have done my best effort to follow them.
• I've read and agree to the Code of Conduct.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.92%. Comparing base (951edf9) to head (b233877).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #551   +/-   ##
=======================================
  Coverage   95.92%   95.92%           
=======================================
  Files          14       14           
  Lines        2697     2697           
=======================================
  Hits         2587     2587           
  Misses        110      110           

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