Restoring start command from what is now the start production command

mason-today/app.py

@@ -9,4 +9,3 @@ def display_data():
     resp = Response(json.dumps(load_data(), ensure_ascii=False).encode('utf-8'))
     resp.headers['Content-Type'] = 'application/json; charset=utf-8'
     return resp
-

start.sh

+export FLASK_APP=mason-today/app.py
+export FLASK_DEBUG=1
+flask run