[improvement] Field: add left-icon slot (youzan#1973)

[improvement] Rate: support touch move select (youzan#1951)

[Doc] Swipe slot

[improvement] Card: add origin-price prop (youzan#1916)

update dependencies

[improvement] ImagePreview: add show-index prop (youzan#1889)

[improvement] SwipeCell: add click event (youzan#1848)

[bugfix] hairline (youzan#1805)

[bugfix] Button: loading color (youzan#1768)

[breaking change] Sku: no longer support i18n (youzan#1734)