message: chore: use onLoading and onLoaded
diff: @@ -136,10 +136,10 @@ export const Reader = () => {
  }),
  onCssReady({
  docStorageURL,
  - onLoad: dom => {
  + onLoading: (dom: Element) => {
  dom.style.setProperty('opacity', '0');
  },
  - onReady: dom => {
  + onLoaded: (dom: Element) => {
  dom.style.removeProperty('opacity');
  },
  }),
  