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/block-storage.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path d="M9,12V10H4a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H20a2,2,0,0,0,2-2V19H20v9H4V12" transform="translate(0 0)"/> <path d="M22,12H14V4h8ZM12,4v8a2,2,0,0,0,2,2h8a2,2,0,0,0,2-2V4a2,2,0,0,0-2-2H14A2,2,0,0,0,12,4Z" transform="translate(0 0)"/> <path d="M14,18v4H10V18h4M8,18v4a2,2,0,0,0,2,2h4a2,2,0,0,0,2-2V18a2,2,0,0,0-2-2H10A2,2,0,0,0,8,18Z" transform="translate(0 0)"/> <path d="M28,17v2H26V17h2m-4-1v4a1,1,0,0,0,1,1h4a1,1,0,0,0,1-1V16a1,1,0,0,0-1-1H25A1,1,0,0,0,24,16Z" transform="translate(0 0)"/> </svg>