Integrate the possibility to create a minimal app for auxillary functions.

app/__init__.py

@@ -15,12 +15,16 @@ mail = Mail()
 socketio = SocketIO()
 
 
-def create_app(config_name):
+def create_app(config_name, main=True):
     app = Flask(__name__)
     app.config.from_object(config[config_name])
 
     config[config_name].init_app(app)
     db.init_app(app)
+
+    if not main:
+        return app
+
     login_manager.init_app(app)
     mail.init_app(app)
     # scheduler.init_app(app)