update readme and logo

readme.md

@@ -10,13 +10,40 @@ This codebase was created to demonstrate application frontend built with **[AppR
 
 We've gone to great lengths to adhere to the [RealWorld](https://github.com/gothinkster/realworld) community style guides & best practices.
 
-# How it works
+## How it works
 
-[AppRun](https://github.com/yysun/apprun) is a lightweight library for developing applications using the elm style model-view-update architecture based on event pub and sub pattern.
+[AppRun](https://github.com/yysun/apprun) is a 3K library for developing applications using the elm style model-view-update architecture and event pub and sub pattern.
 
+The application is built using [AppRun](https://github.com/yysun/apprun) component, which has the model-view-update architecture.
+```
+import app, { Component } from 'apprun';
+class ArticleComponent extends Component{
+  
+  state = {}
 
-# Getting started
+  view = <div></div>
 
-> npm install
-> npm start
+  update = {
+    '#/article': async(state, slug) => {}
+  }
 
+}
+```
+
+The application code has about 1000 lines source that can be gziped to 14.5K.
+
+## Getting started
+
+* Visit the [live demo](https://yysun.github.com/realworld-starter-kit)
+* clone this repo
+* npm install
+* npm start
+* open http://localhost:8080 in browser
+
+Pull requests are welcome.
+
+## License
+
+MIT
+
+Copyright (c) 2017 Yiyi Sun