Update README.md

Author: CoderJava

README.md

@@ -1,7 +1,13 @@
 # Flutter Backend Driven UI
 
-Backend Driven UI is a concept for build UI with flexible pages. This
-repository is a simple app with Backend Driven UI with Flutter.
+Backend Driven UI is a concept for build UI with flexible pages from
+backend. So, your backend should return a JSON response with containing
+UI property and your app will convert it to UI.
+
+Here is an example endpoint that I used to build a UI.
+```
+https://bengkelrobot.net:8003/api/dynamic-widget/home-page  
+```
 
 ![Screenshot](https://raw.githubusercontent.com/CoderJava/Flutter-Backend-Driven-UI/master/screenshots/screenshot_1.png
 "Screenshot")