Update SVG logos and add new designs

- Replaced the existing aurcache.svg with a new design representing Arch Linux.
- Created a backup directory with previous versions of logos including aurcache.svg, default.svg, filebrowser.svg, gitea.svg, homeassistant.svg, jellyfin.svg, kiwix.svg, nextcloud.svg, picoshare.svg, portainer.svg, tdarr.svg, transmission.svg, and uptime-kuma.svg.
- Updated existing logos (filebrowser.svg, gitea.svg, homeassistant.svg, jellyfin.svg, kiwix.svg, nextcloud.svg, picoshare.svg, portainer.svg, tdarr.svg, transmission.svg, uptime-kuma.svg) to include role and title attributes for better accessibility.

logos/backup-20251123-231406/kiwix.svg

@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none">
+  <rect width="24" height="24" rx="4" fill="#071020"/>
+  <path d="M6 6h12v12H6z" stroke="#f87171" stroke-width="1.6" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>