Download 69 selfh.st icon files (34 PNG, 34 light SVG, unraid.svg) into
assets/icons/ and add wallpaper to assets/. Update sidebar.js to serve
icons from /custom/assets/icons/ instead of cdn.jsdelivr.net. Update
style.css wallpaper path to /custom/assets/wallpaper.jpg.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
