Updated Ontology

See merge request toar/toardb_fastapi!2

#11: still investigating why CI does not run on Gitlab server; did some pretty print on docstrings to avoid warnings from sphinx

#3, #11, #12: typos fixed in extension, do not show patch schemas in documentation (pages), added more descriptions for schema fields (to be continued)

#3 #12 #13: controlled vocabulary for country names and timezones is added to extension toar_controlled_vocabulary

Scripts for inserting QC test candidates into the new database (bugs found and fixed), added csv API for downloading data

finished UBA NRT with the new database structure using the REST API (also added minor fixes to REST API and NRT changelog behaviour)

found matching radius for merging stations, completed translation tables for controlled vocabulary (type_of_environment and type_of_area)

found matching radius for merging stations, completed translation tables for controlled vocabulary (type_of_environment and type_of_area)

added all entries that are found in the old database to the translation table of type_of_environment and type_of_area

#17: after re-adding coordinate_validation_status to table stationmeta_core, it has also to be readded to the model/schema/docu