Change file directory and minor adaption in README

Description

In order to have a better structure of the files, the cpp and python modularization md files are moved to another folder

Other Changes

• Minor adaption in README (due to comment in !20 (merged))

added typedocumentation label

requested review from @s-roscher

assigned to @kristina.mazur

enabled an automatic merge when all merge checks for ed929559 pass

approved this merge request

canceled the automatic merge

mentioned in commit be61e668

merged