Muralink panel asset sources

Logo: unchanged Muralink website public/Images/logo/muralink-logo.svg.
Icons: Lucide 0.453.0 from the website's installed lucide-react package.
       Image and Box: chat canvas media uploader; ChevronRight: account UI.
       Ellipsis and Coins: the same Lucide icon family used by the website.
       Exact SVG geometry is retained. See lucide.txt for the ISC license.
Fonts: Figtree normal variable, Latin and Latin Extended, copied unchanged
       from the website's next/font/google build. See figtree.txt for OFL 1.1.
Palette: website src/app/globals.css Muralink blue and light surface tokens.
