chore: using a database for keys

handler.py

@@ -23,6 +23,8 @@ class EndpointHandler:
         # Simulate a database of keys
         self.key_database = {}
 
+        self.key_database[43] = "benoit"
+
     def __call__(self, data: Dict[str, Any]) -> List[Dict[str, Any]]:
         """
          data args: