依赖更新 && 构建调整 (#60)

* upgrade dependencies

* 更改所有 saladcss 写法

* fix: 升级依赖导致的样式错误

* fix: build vant css

* use es module when pack && webpack scope hoisting

* fix: vue module version

* delete unused npm script

* fix: build:vant script not work

* fix: webpack config format

* fix: build minify vant.js

* fix: captain ui relative link

.babelrc

@@ -1,9 +1,12 @@
 {
   "presets": [
-    "es2015"
+    [
+      "es2015",
+      { "modules": false }
+    ]
   ],
   "plugins": [
     "transform-runtime",
     "transform-vue-jsx"
   ]
-}
+}