mkdocs-material/material/.icons/fontawesome/solid/folder.svg

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--! Font Awesome Free 6.3.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M64 480h384c35.3 0 64-28.7 64-64V160c0-35.3-28.7-64-64-64H288c-10.1 0-19.6-4.7-25.6-12.8l-19.2-25.6C231.1 41.5 212.1 32 192 32H64C28.7 32 0 60.7 0 96v320c0 35.3 28.7 64 64 64z"/></svg>