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/manage-protection.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"><title>manage-protection</title><path d="M16,30,9.8242,26.7071A10.9815,10.9815,0,0,1,4,17V4A2.0022,2.0022,0,0,1,6,2H26a2.0022,2.0022,0,0,1,2,2V17a10.9815,10.9815,0,0,1-5.8242,9.7069ZM6,4V17a8.9852,8.9852,0,0,0,4.7656,7.9423L16,27.7333l5.2344-2.791A8.9852,8.9852,0,0,0,26,17V4Z"/><path d="M16,25.277V6h8V16.8048a7,7,0,0,1-3.7,6.1731Z"/></svg>