* [bugfix] CouponList always show empty info * [bugfix] add click feedback of buttons in components * [Doc] add custom theme document * [new feature] Notice bar support more props * [bugfix] PullRefresh test cases * [bugfix] unused NoticeBar style
* feat: support lang entry build * feat: vant support lang switch * move lang iframe-router to utils & fix router link bug * add en-US config && add some translation * chang async. to async_ (support superman cdn) * add layout translation * change nav style * upgrade zan-doc * fix: doc config * upgrade zan-doc && remove useless code * fix changelog generate path