add button

src/index.js

@@ -1,9 +1,19 @@
 import Sample from '../packages/sample/index.js';
+import Button from '../packages/button/index.js';
+import 'es6-promise/auto';
+import axios from 'axios';
+import foreach from 'lodash/foreach';
+import filter from 'lodash/filter';
+import find from 'lodash/find';
+import map from 'lodash/map';
+// zenui
+import '../packages/zenui/src/index.pcss';
 
 const install = function(Vue) {
   if (install.installed) return;
 
   Vue.component(Sample.name, Sample);
+  Vue.component(Button.name, Button);
 };
 
 // auto install
@@ -14,5 +24,13 @@ if (typeof window !== 'undefined' && window.Vue) {
 module.exports = {
   install,
   version: '0.0.1',
-  Sample
+  axios,
+  _: {
+    foreach,
+    filter,
+    find,
+    map
+  },
+  Sample,
+  Button
 };