update README

README.md

@@ -1,36 +1,32 @@
 # nemui
 
-A nem Utility Interface.
+nem Utility Interface.
+
+![nemui](https://user-images.githubusercontent.com/370508/36069323-aa700562-0f2a-11e8-9863-710096b7e70b.gif)
 
-## Demo
 
-soon...
+## Demo
 
-## Usage
+* [nemui - web](http://nemui.bitballoon.com/)
 
-soon...
 
-## Build Setup
+## Build
 
 ``` bash
 # install dependencies
 npm install
 
-# serve with hot reload at localhost:8080
-npm run dev
-
 # build for production with minification
 npm run build
+```
 
-# build for production and view the bundle analyzer report
-npm run build --report
 
-# run unit tests
-npm run unit
+## Development
 
-# run e2e tests
-npm run e2e
+``` bash
+# install dependencies
+npm install
 
-# run all tests
-npm test
+# serve with hot reload at localhost:8080
+npm run dev
 ```