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/inventory-management.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"><title>inventory-management</title><rect x="19" y="24" width="4" height="4"/><rect x="26" y="24" width="4" height="4"/><rect x="19" y="17" width="4" height="4"/><rect x="26" y="17" width="4" height="4"/><path d="M17,24H4V10H28v5h2V10a2.0023,2.0023,0,0,0-2-2H22V4a2.0023,2.0023,0,0,0-2-2H12a2.002,2.002,0,0,0-2,2V8H4a2.002,2.002,0,0,0-2,2V24a2.0023,2.0023,0,0,0,2,2H17ZM12,4h8V8H12Z"/></svg>