moved connector to model, instead injecting model for easier testing

src/model.py

@@ -1,9 +1,9 @@
-from connector import JSONConnector, Connector
-
+from connector import Connector, JSONConnector
+from config import Config
 
 class Model:
-    def __init__(self, connector: Connector):
-        self.connector = connector
+    def __init__(self, config: Config):
+        self.connector = JSONConnector(config)
 
     def get_all(self):
         return self.connector.get_all()