feat(internal_services): add gpt annotator and spacy parser

.gitignore

api/internal_services/annotator.py

api/internal_services/background_worker.py

api/internal_services/database.py

api/internal_services/gpt.py

api/internal_services/neo4j.py

api/internal_services/spacy.py

api/main.py

api/models/Job.py

api/routers/pipeline_endpoint.py