doc update

Author: eadwinCode

docs/quick-project.md

@@ -273,3 +273,6 @@ application.install_module(module)
 Now we can test our API at [http://127.0.0.1:8000/docs](http://127.0.0.1:8000/docs#/)
 Please ensure your server is running
 ![Swagger UI](https://python-ellar.github.io/ellar/img/car_api.png)
+
+## **Source Code**
+You can find this example source code [here](https://github.com/python-ellar/ellar/tree/intro_doc_change/examples/quick-project)