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/array-dates.svg

@@ -0,0 +1,2 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path d="M23,8h-2v-2h-2v2h-6v-2h-2v2h-2c-1.1047,0-2,.8953-2,2v12c0,1.1047.8953,2,2,2h14c1.1047,0,2-.8953,2-2v-12c0-1.1047-.8953-2-2-2ZM9,22v-7h14v7h-14ZM22.9999,13h-13.9999v-3h2v1h2v-1h6v1h2v-1h2v3ZM4,2h4v2h-4v4h-2v-4c0-1.1046.8954-2,2-2ZM30,4v4h-2v-4h-4v-2h4c1.1046,0,2,.8954,2,2ZM8,28v2h-4c-1.1046,0-2-.8954-2-2v-4h2v4h4ZM30,24v4c0,1.1046-.8954,2-2,2h-4v-2h4v-4h2Z"/> <rect id="_x3C_Transparent_Rectangle_x3E_" class="cls-1" width="32" height="32"/>
+</svg>