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/query.svg

@@ -0,0 +1 @@
+<svg id="Layer_1" data-name="Layer 1" width="32" height="32" viewBox="0 0 32 32"> <circle cx="11" cy="15.5" r="1.5"/> <path d="M12,12H10V8h2a2,2,0,0,0,0-4H10A2.0023,2.0023,0,0,0,8,6v.5H6V6a4.0045,4.0045,0,0,1,4-4h2a4,4,0,0,1,0,8Z" transform="translate(0 0)"/> <path d="M22.4479,21.0337A10.971,10.971,0,0,0,19.9211,4.7446l-.999,1.73A8.9967,8.9967,0,1,1,5,14H3a10.9916,10.9916,0,0,0,18.0338,8.4478L28.5859,30,30,28.5859Z" transform="translate(0 0)"/> </svg>