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/copy-to-clipboard.svg

@@ -0,0 +1,2 @@
+<svg id="icon" width="32" height="32" version="1.1" viewBox="0 0 32 32"> <!-- Generator: Adobe Illustrator 30.0.0, SVG Export Plug-In . SVG Version: 2.1.1 Build 123) --> <path d="M7,7h3v3h12v-3h3v11h2V7c-.0032-1.1033-.8967-1.9968-2-2h-3v-1c-.0032-1.1033-.8967-1.9968-2-2h-8c-1.1033.0032-1.9968.8967-2,2v1h-3c-1.1033.0032-1.9968.8967-2,2v21c.0032,1.1032.8967,1.9968,2,2h9v-2H7V7ZM12,4h8v4h-8v-4ZM30,24h-8.172l2.586-2.586-1.414-1.414-5,5,5,5,1.414-1.414-2.586-2.586h8.172v-2ZM12,13h-2v2h2v-2ZM22,13h-8v2h8v-2ZM12,18h-2v2h2v-2ZM10,25h2v-2h-2v2ZM14,20h4v-2h-4v2Z"/> <rect id="__x3C_Transparent_Rectangle_x3E_" class="st0" width="32" height="32"/>
+</svg>