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/data-blob.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path d="M28,30H4a2.0021,2.0021,0,0,1-2-2V4A2.0021,2.0021,0,0,1,4,2H28a2.0021,2.0021,0,0,1,2,2V28A2.0021,2.0021,0,0,1,28,30ZM4,4V28H28V4Z" transform="translate(0 0)"/> <rect x="13" y="7" width="2" height="7"/> <rect x="8" y="7" width="2" height="7"/> <path d="M22,14H20a2.0021,2.0021,0,0,1-2-2V9a2.0021,2.0021,0,0,1,2-2h2a2.0021,2.0021,0,0,1,2,2v3A2.0021,2.0021,0,0,1,22,14ZM20,9v3h2V9Z" transform="translate(0 0)"/> <rect x="22" y="18" width="2" height="7"/> <rect x="8" y="18" width="2" height="7"/> <path d="M17,25H15a2.0021,2.0021,0,0,1-2-2V20a2.0021,2.0021,0,0,1,2-2h2a2.0021,2.0021,0,0,1,2,2v3A2.0021,2.0021,0,0,1,17,25Zm-2-5v3h2V20Z" transform="translate(0 0)"/> </svg>