Update README.md

README.md

@@ -1 +1,17 @@
-# app-backend
+# Dialog flow chat bot backend
+
+## How to build this project?
+This is a typically `Rust` project, you can use `Cargo` to manage this project
+```
+git clone https://github.com/dialogflowchatbot/dialogflow-backend
+cd dialogflow-backend
+cargo r
+```
+
+Once it start, open a browser and visit: http://localhost:12715
+
+Press `Ctrl+C` to terminate application.
+
+## Where are front end files?
+This repository contains compiled front end files, path is: `src/resources/assets`  
+For those original editable front end files, please goto this repository: [Dialog flow chat bot front end project](https://github.com/dialogflowchatbot/dialogflow-frontend)