Checks if a certain study (given by its root folder) is conform with the SFB norms.
Checks if a certain study (given by its root folder) is conform with the [SFB standards](https://gitlab.ruhr-uni-bochum.de/sfb1280/studychecker/-/wikis/SFB-data-and-metadata-standards).
The following errors will be checked:
-*InconsitentModalityError*: Modalities change inbetween subject folder of the same session.
-*InconsitentSessionError*: Amount of sessions varies from subject to subject.
