moved additional classes to the OpenAPI specification

mc_backend/.coveragerc

mc_backend/README.md

mc_backend/csm/app/api/corpusStorageManagerAPI.py

mc_backend/csm/app/api/subgraphAPI.py

mc_backend/csm/app/api/textcomplexityAPI.py

mc_backend/mcserver/app/__init__.py

mc_backend/mcserver/app/api/exerciseAPI.py

mc_backend/mcserver/app/api/exerciseListAPI.py

mc_backend/mcserver/app/api/rawTextAPI.py

mc_backend/mcserver/app/api/textcomplexityAPI.py

mc_backend/mcserver/app/api/vocabularyAPI.py

mc_backend/mcserver/app/models.py

mc_backend/mcserver/app/services/annotationService.py

mc_backend/mcserver/app/services/corpusService.py

mc_backend/mcserver/app/services/databaseService.py

mc_backend/mcserver/app/services/fileService.py

mc_backend/mcserver/app/services/frequencyService.py

mc_backend/mcserver/app/services/textComplexityService.py

mc_backend/mcserver/app/services/textService.py

mc_backend/mcserver/config.py