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/screen-map.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <rect x="22" y="25" width="8" height="2"/> <rect x="22" y="21" width="8" height="2"/> <polygon points="18.4141 11 23 11 23 9 15 9 15 17 17 17 17 12.4141 23.5859 19 25 17.5859 18.4141 11"/> <path d="M28,3H4c-1.1028,0-2,.8975-2,2V21c0,1.1025,.8972,2,2,2H12v4h-4v2h12v-8H4V5H28v14h2V5c0-1.1025-.8972-2-2-2Zm-10,24h-4v-4h4v4Z"/> </svg>