Add 'created_by' field to track project creator

tests/controller/test_project.py

@@ -81,10 +81,21 @@ async def test_json():
         "grid_size": 75,
         "drawing_grid_size": 25,
         "supplier": None,
-        "variables": None
+        "variables": None,
+        "created_by": None
     }
 
 
+@pytest.mark.asyncio
+async def test_created_by():
+
+    with patch('gns3server.controller.project.Project.emit_controller_notification'):
+        p = Project(name="Test", created_by="admin")
+
+    assert p.created_by == "admin"
+    assert p.asdict()["created_by"] == "admin"
+
+
 @pytest.mark.asyncio
 async def test_update(controller):