* minor cleaning
* create functions for dictionary parsers in the external file
* remove files_exclude since post-processing does the job
* no need to have group_group_dset when propagatin dsets
* oneliner for paths to templates
* add dset_per_group dict
* add function to iteratively populate string based on triggers list
* added recursive replacer for numbers
* add recursive replaces for datasets
* add function for text groups [iterative+recursive upd]
* do not define triggers in the master script
* transition to helper dictionaries
* cleaning
* comment main code blocks
* rearrange parameters
* add documentation strings to the functions
* minor cleaning and changes
* adapt build_trexio script
* add consisteny check for dimensioning variables
