[REF]: Change icons style location in a sass file. ALso overcome the issue when Mui sets box-sizing=inherit

[REF]: Add preventdefault in all icons, refactor file card and mosaic for download also added stoppropagation. Add section for extra components. [BUG]: chick <input/> is not workng

[WIP]: Add FileCard Component, add upload layer, info layer, improve the close info button and tooltip for file card. Refactor FIle CardDemoPage darkmode section to wrap flex forw and minwidth

[WIP]: Add FileCard component and FileCard demo page. Missing to add upload layer in component. Also missing to decide to delete rightlayer and set abosulte positions for delete button and others. Missing to refactopr some grids flexbox for displaying filecard properly since they are horizontal higher.