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/chart-logistic-regression.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <circle cx="26" cy="22" r="2"/> <circle cx="20" cy="22" r="2"/> <circle cx="14" cy="6" r="2"/> <circle cx="8" cy="6" r="2"/> <path d="m8.2339,24c3.8799,0,7.311-2.4731,8.5383-6.1543l2.353-7.0591c.9543-2.8628,3.6233-4.7866,6.6409-4.7866h4.2339v-2h-4.2339c-3.8799,0-7.311,2.4731-8.5383,6.1543l-2.353,7.0591c-.9543,2.8628-3.6233,4.7866-6.6409,4.7866h-4.2339V2h-2v26c0,1.1025.897,2,2,2h26v-2H4v-4h4.2339Z"/> </svg>