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/document-comment.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path class="cls-2" d="m26,17h-10c-1.104.0014-1.9986.896-2,2v6c0,1.1046.8954,2,2,2h4v-2h-4v-6h10v6h-2.5352l-2.5937,3.8906,1.6641,1.1094,2-3h1.4648c1.1046,0,2-.8954,2-2v-6c-.0014-1.104-.896-1.9986-2-2Z"/> <path class="cls-2" d="m22,14h2v-4c0-.2998-.1001-.5-.3-.7002l-7-7c-.2-.1997-.3999-.2998-.7-.2998H6c-1.1001,0-2,.8999-2,2v24c0,1.1001.8999,2,2,2h6v-2h-6V4h8v6c0,1.1001.8999,2,2,2h6v2Zm-6-4v-5.6001l5.6001,5.6001h-5.6001Z"/> </svg>