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

docs/examples-docs/progress.md

@@ -1,12 +1,10 @@
 <style>
-  @component-namespace demo {
-    @b progress {
-      @e wrapper {
-        padding: 5px;
-        margin: 20px 10px;
-      }
-    }
-  } 
+.demo-progress {
+  &__wrapper {
+    padding: 5px;
+    margin: 20px 10px;
+  }
+} 
 </style>