Apply Thesaurus

>>> from techminer2.thesaurus.countries import apply_thesaurus
>>> apply_thesaurus( 
...     #
...     # DATABASE PARAMS:
...     root_dir="example/",
...     )
--INFO-- The example/thesauri/countries.the.txt thesaurus file was applied to affiliations in all databases
--INFO-- The /Volumes/GitHub/techminer2/techminer2/thesauri_data/country-to-region.the.txt thesaurus file was applied to affiliations in all databases
--INFO-- The /Volumes/GitHub/techminer2/techminer2/thesauri_data/country-to-subregion.the.txt thesaurus file was applied to affiliations in all databases