Refactor AareDB backend and update schemas and paths.

Revised backend schema definitions, removing unnecessary attributes and adding new configurations. Updated file path references to align with the aaredb structure. Cleaned up redundant notebook content and commented out unused database regeneration logic in the backend.

Added posting a result to the database

backend/main.py

@@ -156,8 +156,8 @@ def on_startup():
             load_slots_data(db)
         else:  # dev or test environments
             print(f"{environment.capitalize()} environment: Regenerating database.")
-            Base.metadata.drop_all(bind=engine)
-            Base.metadata.create_all(bind=engine)
+            # Base.metadata.drop_all(bind=engine)
+            # Base.metadata.create_all(bind=engine)
             # from sqlalchemy.engine import reflection
             # from app.models import ExperimentParameters  # adjust the import as needed
             # inspector = reflection.Inspector.from_engine(engine)