[BUG]: Add section for extra components. [BUG]: chick <input/> is not workng

...nents/MainPage/SecondaryRight/ExtraComponentsMainPage.tsx

...age/SecondaryRight/ExtraComponentsMainPageInputButton.tsx

...components/filemosaic-demo/DemoFileMosaicUploadStatus.tsx

src/pages/MainPage.jsx

src/static/videos/NarutoEN.mp4

src/static/videos/NarutoES.mp4

src/static/videos/ThorEN-1.mp4

src/static/videos/ThorEN.mp4

src/styles/MainPage.scss