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/intersect.svg

@@ -0,0 +1 @@
+<svg id="Layer_1" data-name="Layer 1" width="32" height="32" viewBox="0 0 32 32"> <path d="M22,24H18V22h4V18h2v4A2.0021,2.0021,0,0,1,22,24Z" transform="translate(0 0)"/> <path d="M10,14H8V10a2.0022,2.0022,0,0,1,2-2h4v2H10Z" transform="translate(0 0)"/> <path d="M28,8H24V4a2.0023,2.0023,0,0,0-2-2H4A2.0023,2.0023,0,0,0,2,4V22a2.0023,2.0023,0,0,0,2,2H8v4a2.0023,2.0023,0,0,0,2,2H28a2.0023,2.0023,0,0,0,2-2V10A2.0023,2.0023,0,0,0,28,8Zm0,20H10V24h4V22H10V18H8v4H4V4H22V8H18v2h4v4h2V10h4Z" transform="translate(0 0)"/> </svg>