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/drill-through.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path d="M16,30A14.0158,14.0158,0,0,1,2,16H4A12,12,0,1,0,16,4V2a14,14,0,0,1,0,28Z"/> <polygon points="4 12 4 10 8.586 10 2 3.414 3.414 2 10 8.586 10 4 12 4 12 12 4 12"/> <path d="M16,10v6H10a6,6,0,1,0,6-6Z"/> </svg>