Merge branch '3-css-grid-timeline'

src/assets/images/link-banner.png

src/components/App.scss

src/components/atoms/FileCard/index.tsx

src/components/atoms/ModuleCard/index.tsx

src/components/molecules/CategoryList/index.tsx

src/components/molecules/LoadingScreen/index.tsx

src/components/molecules/TutorCardGroup/index.tsx

src/components/molecules/TutorCardGroup/style.module.scss

...ts/organisms/BottomBar/components/BottomBarItem/index.tsx

...isms/BottomBar/components/BottomBarItem/style.module.scss

src/components/organisms/BottomBar/index.tsx

src/components/organisms/LeftBar/index.tsx

src/components/organisms/LeftBarModule/index.tsx

src/components/organisms/LeftBarTimeline/index.tsx

src/components/organisms/RightBar/index.tsx

src/components/pages/ModuleList/index.tsx

src/components/pages/ModuleList/list.ts

src/components/pages/ModuleOverview/index.tsx

...pages/ModuleResources/components/CurrentDirectoryView.tsx

...mponents/pages/ModuleResources/components/FoldersView.tsx