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/brush-polygon.svg

@@ -0,0 +1,2 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path d="M28.8281,3.1719a4.0941,4.0941,0,0,0-5.6562,0L4.05,22.292A6.9537,6.9537,0,0,0,2,27.2412V30H4.7559a6.9523,6.9523,0,0,0,4.95-2.05L28.8281,8.8286a3.999,3.999,0,0,0,0-5.6567ZM10.91,18.26l2.8286,2.8286L11.6172,23.21,8.7886,20.3818ZM8.2915,26.5356A4.9665,4.9665,0,0,1,4.7559,28H4v-.7588a4.9669,4.9669,0,0,1,1.4644-3.5351l1.91-1.91,2.8286,2.8281ZM27.4141,7.4141,15.1528,19.6748l-2.8286-2.8286,12.2617-12.26a2.0473,2.0473,0,0,1,2.8282,0,1.9995,1.9995,0,0,1,0,2.8282Z"/> <path d="M14,2a2.9948,2.9948,0,0,0-2.8157,2H7.8157A2.9925,2.9925,0,1,0,4,7.8154v3.3687a3,3,0,1,0,2,0V7.8159A2.9959,2.9959,0,0,0,7.8157,6h3.3686A2.9947,2.9947,0,1,0,14,2ZM5,15a1,1,0,1,1,1-1A1.0008,1.0008,0,0,1,5,15ZM5,6A1,1,0,1,1,6,5,1.0008,1.0008,0,0,1,5,6Zm9,0a1,1,0,1,1,1-1A1.0008,1.0008,0,0,1,14,6Z"/> <rect id="_Transparent_Rectangle" data-name=" Transparent Rectangle" class="cls-1" width="32" height="32"/>
+</svg>