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/incomplete-warning.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path d="M14,26A12,12,0,0,1,14,2Z" transform="translate(0 0)"/> <path d="M17.8257,4.7642a10.0288,10.0288,0,0,1,3.2422,2.1679l1.4133-1.4135a12.0359,12.0359,0,0,0-3.89-2.6016Z" transform="translate(0 0)"/> <path d="M26,14a11.93,11.93,0,0,0-.9167-4.5908l-1.8472.7651A9.9428,9.9428,0,0,1,24,14Z" transform="translate(0 0)"/> <path d="M27.38,28H20.6178L24,21.2358ZM24,18a1,1,0,0,0-.8947.5527l-5,10A1.0005,1.0005,0,0,0,19,30H29a1,1,0,0,0,.9214-1.3892L24.8946,18.5527A1,1,0,0,0,24,18Z" transform="translate(0 0)"/> </svg>