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/list-boxes.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"><title>list--checked</title><rect x="16" y="8" width="14" height="2"/><rect x="16" y="22" width="14" height="2"/><path d="M10,14H4a2.0023,2.0023,0,0,1-2-2V6A2.0023,2.0023,0,0,1,4,4h6a2.0023,2.0023,0,0,1,2,2v6A2.0023,2.0023,0,0,1,10,14ZM4,6v6h6.0012L10,6Z"/><path d="M10,28H4a2.0023,2.0023,0,0,1-2-2V20a2.0023,2.0023,0,0,1,2-2h6a2.0023,2.0023,0,0,1,2,2v6A2.0023,2.0023,0,0,1,10,28ZM4,20v6h6.0012L10,20Z"/></svg>