docs: add ie polyfills (vuematerial#1342)

* docs: add ie polyfills

* refactor: remove package lock

Author: Samuell1

build/docs/webpack.js

@@ -29,6 +29,7 @@ const componentExampleLoader = require.resolve('../loaders/component-example-loa
 const webpackConfig = {
   entry: {
     app: [
+      'babel-polyfill',
       './docs/app/index.js',
       './build/docs/offline.js'
     ]

build/local/webpack.js

@@ -12,6 +12,7 @@ export default {
   devtool: 'cheap-module-eval-source-map',
   entry: {
     docs: [
+      'babel-polyfill',
       './docs/app/index.js',
       './build/local/client'
     ]

package.json

@@ -51,6 +51,7 @@
     "babel-eslint": "^8.0.1",
     "babel-loader": "^7.1.2",
     "babel-plugin-syntax-dynamic-import": "^6.18.0",
+    "babel-polyfill": "^6.26.0",
     "babel-preset-env": "^1.6.1",
     "babel-preset-es2015": "^6.24.1",
     "babel-preset-stage-3": "^6.24.1",