chore: Organize project

[brustolin]

• Organized files into groups.
• Moved most used files to a better position in the project tree.

Before and After

So much clean when working

#skip-changelog

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.958%. Comparing base (070db34) to head (6d5b659).

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #3847       +/-   ##
=============================================
+ Coverage   90.942%   90.958%   +0.016%     
=============================================
  Files          560       560               
  Lines        44271     44272        +1     
  Branches     15775     15788       +13     
=============================================
+ Hits         40261     40269        +8     
+ Misses        3832      3823        -9     
- Partials       178       180        +2     

see 9 files with indirect coverage changes

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[philipphofmann]

Thanks, LGTM