Theme Baidu DLS for VEUI.

There are two ways to load the base stylesheet:

1. Direct import in JavaScript

import 'veui-theme-dls/common.less'

2. Import from a <style> block in a .vue file

<style lang="less" src="veui-theme-dls/common.less"></style>

<!-- OR -->

<style lang="less">
@import "~veui-theme-dls/common.less"
</style>