Update more docs and also the developer.md doc

[jimexist]

Which issue does this PR close?

follow up on #421
related #415

Rationale for this change

update the developer md file

What changes are included in this PR?

Are there any user-facing changes?

[jimexist]

Maybe we need to merge the other one first as it automatically formats code already

[codecov-commenter]

Codecov Report

Merging #414 (16e5fd5) into master (7359e4b) will not change coverage.
The diff coverage is n/a.

❗ Current head 16e5fd5 differs from pull request most recent head 2174d0b. Consider uploading reports for the commit 2174d0b to get more accurate results

@@           Coverage Diff           @@
##           master     #414   +/-   ##
=======================================
  Coverage   74.85%   74.85%           
=======================================
  Files         146      146           
  Lines       24498    24498           
=======================================
  Hits        18339    18339           
  Misses       6159     6159           

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[alamb]

This looks good to me. Thanks @jimexist