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/virtual-desktop.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path d="M21,16H11a2.0023,2.0023,0,0,0-2,2v6a2.0023,2.0023,0,0,0,2,2h4v2H12v2h8V28H17V26h4a2.0023,2.0023,0,0,0,2-2V18A2.0023,2.0023,0,0,0,21,16ZM11,24V18H21l.0015,6Z" transform="translate(0 0)"/> <path d="M25.8218,10.124a9.9992,9.9992,0,0,0-19.6436,0A7.4914,7.4914,0,0,0,7,24.9746v-2a5.4945,5.4945,0,0,1,.123-10.9541l.8365-.0566.09-.834a7.9979,7.9979,0,0,1,15.9014,0l.09.834.8365.0566A5.4945,5.4945,0,0,1,25,22.9746v2a7.4914,7.4914,0,0,0,.8218-14.8506Z" transform="translate(0 0)"/> </svg>