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/currency-rupee.svg

@@ -0,0 +1 @@
+<svg id="Layer_1" data-name="Layer 1" width="32" height="32" viewBox="0 0 32 32"> <path d="M24,7V5H8V7h5.5a4.4906,4.4906,0,0,1,4.45,4H8v2h9.95A4.4906,4.4906,0,0,1,13.5,17H8v2.3452L17.6169,28l1.3379-1.4863L10.606,19H13.5a6.5041,6.5041,0,0,0,6.4746-6H24V11H19.9746A6.4719,6.4719,0,0,0,18.18,7Z" transform="translate(0 0)"/> </svg>