Clean unused code

[superstar54]

• Remove examples folder
• Remove code in the rete folder

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.67%. Comparing base (5937b88) to head (4b9a652).
Report is 104 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #369      +/-   ##
==========================================
+ Coverage   75.75%   81.67%   +5.91%     
==========================================
  Files          70       65       -5     
  Lines        4615     4872     +257     
==========================================
+ Hits         3496     3979     +483     
+ Misses       1119      893     -226     

Flag	Coverage Δ
python-3.11	81.60% <ø> (+5.94%)	⬆️
python-3.12	81.60% <ø> (?)
python-3.9	81.66% <ø> (+5.92%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.