[new feature] Sku: update style & add several props (youzan#3875)

[improvement] Uploader: support preview network image (youzan#3899)

[Doc] List: update clearfix guide

[Doc] SwitchCell: fix v-model type

[new feature] Tab: add name prop (youzan#3762)

Merge branch 'dev' of https://github.com/youzan/vant into dev

[new feature] AddressEdit: add detail-maxlength prop (youzan#3707)

[Doc] List: update document (youzan#3673)

[new feature] Card: add click-thumb event (youzan#3586)

[new feature] Card: add click-thumb event (youzan#3585)