message: feat(core): add scrollBy, scrollToElement API
  re
diff: @@ -67,6 +67,14 @@ export const propertiesConfig = [
  sourceKey: 'scroller.scrollTo',
  key: 'scrollTo'
  },
  + {
  + sourceKey: 'scroller.scrollBy',
  + key: 'scrollBy'
  + },
  + {
  + sourceKey: 'scroller.scrollToElement',
  + key: 'scrollToElement'
  + },
  {
  sourceKey: 'scroller.resetPosition',
  key: 'resetPosition'
  