doc: improve dev doc

[deependujha]

Before submitting

• Was this discussed/agreed via a Github issue? (no need for typos and docs improvements)
• Did you read the contributor guideline, Pull Request section?
• Did you make sure to update the docs?
• Did you write any new necessary tests?

What does this PR do?

Fixes # (issue).

PR review

Anyone in the community is free to review the PR once the tests have passed.
If we didn't discuss your PR in GitHub issues there's a high chance it will not be merged.

Did you have fun?

Make sure you had fun coding 🙃

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79%. Comparing base (311e767) to head (30a0ccb).
Report is 1 commits behind head on main.

Additional details and impacted files

@@         Coverage Diff         @@
##           main   #488   +/-   ##
===================================
  Coverage    79%    79%           
===================================
  Files        38     38           
  Lines      5646   5646           
===================================
  Hits       4471   4471           
  Misses     1175   1175           

[bhimrazy]

Really nice! Appreciate the attention to detail in the docs.