fix: issue with database URI due to Postgree library update

app.py

@@ -19,7 +19,7 @@
 
 # sets up production environment
 app.config['DEBUG'] = True
-app.config['SQLALCHEMY_DATABASE_URI'] = os.environ.get('DATABASE_URL', 'sqlite:///data.db')
+app.config['SQLALCHEMY_DATABASE_URI'] = os.environ.get('DATABASE_URL', 'sqlite:///data.db').replace("://", "ql://", 1)
 app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
 app.secret_key = 'rebequinha'