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/ai-launch.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path class="cls-2" d="m15,19l-1.4141,1.4141,3.5859,3.5859H4v-13h-2v13c0,1.1046.8954,2,2,2h13.1719l-3.5859,3.5859,1.4141,1.4141,6-6-6-6Z"/> <path class="cls-2" d="m24,18v-2h2V4h-2v-2h6v2h-2v12h2v2h-6Z"/> <path class="cls-2" d="m21,18h2l-5.5-16-3,.0088-5.5,15.9912h2l1.3333-4h7.3335l1.3333,4Zm-8-6l3-9,3,9h-6Z"/> </svg>