Update README.md

Author: alexarchambault

README.md

@@ -6,4 +6,4 @@
 [![Maven Central](https://img.shields.io/maven-central/v/com.github.alexarchambault/case-app_3.svg)](https://maven-badges.herokuapp.com/maven-central/com.github.alexarchambault/case-app_3)
 [![Scaladoc](http://javadoc-badge.appspot.com/com.github.alexarchambault/case-app_3.svg?label=scaladoc)](http://javadoc-badge.appspot.com/com.github.alexarchambault/case-app_3)
 
-See the [website](https://alexarchambault.github.io/case-app/) for more details.
+See the [website](https://alexarchambault.github.io/case-app/) for more details ([website sources on GitHub](https://github.com/alexarchambault/case-app/tree/main/docs/pages) if the website isn't responsive)