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/text-vertical-alignment.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <title>text--vertical-alignment</title> <rect x="16" y="28" width="14" height="2"/> <rect x="16" y="23" width="14" height="2"/> <path d="M10.8458,30H13L8.64,20H6.36L2,30H4.1542l.8-2h5.0916ZM5.7541,26,7.5,21.6347,9.2459,26Z"/> <rect x="2" y="15" width="28" height="2"/> <rect x="16" y="7" width="14" height="2"/> <rect x="16" y="2" width="14" height="2"/> <path d="M10.8458,12H13L8.64,2H6.36L2,12H4.1542l.8-2h5.0916ZM5.7541,8,7.5,3.6347,9.2459,8Z"/> </svg>