wiki: add Carbon Design System icons (2673) + pictograms (1000)

- 2673 SVG icons from @carbon/icons v11.82.0 (~2.5 MB)
- 1000 SVG pictograms from Carbon Design System (~2.0 MB)
- Updated 00-overview.md with asset structure and category listing

All icons: 32x32, fill: currentColor, optimized SVG
All pictograms: 24x24, fill: currentColor, SVG

assets/icons/carbon/user-favorite.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"><title>user--favorite</title><path d="M27.303,12a2.6616,2.6616,0,0,0-1.9079.8058l-.3932.4054-.397-.4054a2.6615,2.6615,0,0,0-3.8157,0,2.7992,2.7992,0,0,0,0,3.8964L25.0019,21l4.2089-4.2978a2.7992,2.7992,0,0,0,0-3.8964A2.6616,2.6616,0,0,0,27.303,12Z" transform="translate(0 0)"/><path d="M2,30H4V25a5.0059,5.0059,0,0,1,5-5h6a5.0059,5.0059,0,0,1,5,5v5h2V25a7.0082,7.0082,0,0,0-7-7H9a7.0082,7.0082,0,0,0-7,7Z" transform="translate(0 0)"/><path d="M12,4A5,5,0,1,1,7,9a5,5,0,0,1,5-5m0-2a7,7,0,1,0,7,7A7,7,0,0,0,12,2Z" transform="translate(0 0)"/></svg>