feat(ui): show preview image in home page

_javascript/modules/plugins.js

@@ -1,6 +1,7 @@
 export { categoryCollapse } from './components/category-collapse';
 export { initClipboard } from './components/clipboard';
-export { imgExtra } from './components/img-extra';
+export { imgLazy } from './components/img-lazyload';
+export { imgPopup } from './components/img-popup';
 export { initLocaleDatetime } from './components/locale-datetime';
 export { initPageviews } from './components/pageviews';
 export { smoothScroll } from './components/smooth-scroll';