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/object-storage.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path d="M28,20H26v2h2v6H4V22H14V20H4a2.0023,2.0023,0,0,0-2,2v6a2.0023,2.0023,0,0,0,2,2H28a2.0023,2.0023,0,0,0,2-2V22A2.0023,2.0023,0,0,0,28,20Z"/> <circle cx="7" cy="25" r="1"/> <path d="M30,8H22v6H16v8h8V16h6ZM22,20H18V16h4Zm6-6H24V10h4Z"/> <path d="M18,10H10V2h8ZM12,8h4V4H12Z"/> </svg>