WIP: initial fastapi endpoint implementation

Client endpoint - GET & POST implemented

backend/app/core/db.py

@@ -0,0 +1,11 @@
+from sqlmodel import Session, create_engine
+from app.core.config import settings
+
+engine = create_engine(str(settings.database_uri))
+
+
+def get_session():
+    """main interface to interact with db
+    """
+    with Session(engine) as session:
+        yield session