added ca small comment for the __init__.py

shop/__init__.py

@@ -3,6 +3,7 @@ from flask_bootstrap import Bootstrap
 from flask_sqlalchemy import SQLAlchemy
 from flask_login import LoginManager
 
+# sets up the website, the databases and the login for the websites
 
 app = Flask(__name__)
 app.config['SECRET_KEY'] = 'password'