Merge zero optimizers functions

Closes #89 (closed)

changed milestone to %DAN-P2: Clean code and remove unused code

added P2 label

requested review from @schneider-y

assigned to @melodie.boillet

added 3 commits

• 21c93118...f9783600 - 2 commits from branch main
• 41b51959 - Merge zero optimizers functions

Compare with previous version

added 3 commits

• 41b51959...37d514f1 - 2 commits from branch main
• 8b184a11 - Merge zero optimizers functions

Compare with previous version

enabled an automatic merge when the pipeline for 8b184a11 succeeds

merged