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/chart-error-bar-alt.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <title>chart--error-bar-alt</title> <path d="M14,10V8H8v2h2v4.1836a2.983,2.983,0,0,0,0,5.6328V24H8v2h6V24H12V19.8164a2.983,2.983,0,0,0,0-5.6328V10Z"/> <path d="M26,6V4H20V6h2V8.1836a2.983,2.983,0,0,0,0,5.6328V18H20v2h6V18H24V13.8164a2.983,2.983,0,0,0,0-5.6328V6Z"/> <path d="M30,30H4a2,2,0,0,1-2-2V2H4V28H30Z"/> </svg>