add readme

README.md

 基于 Ant Design Pro 搭建的脚手架
+
+```
+mkdir nemean-demo && cd $_
+
+npm init
+
+npm install nemean-cli
+
+npm install
+
+npm start
+```

package.json

 {
   "name": "nemean-cli",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "main": "src/index.js",
   "bin": "bin/npmrc.js",
   "license": "ISC",