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/friendship.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path d="M25,10H7a3.0033,3.0033,0,0,0-3,3v6a2.0023,2.0023,0,0,0,2,2v7a2.0023,2.0023,0,0,0,2,2h4a2.0023,2.0023,0,0,0,2-2V16H12V28H8V19H6V13a1.0009,1.0009,0,0,1,1-1H25a1.0009,1.0009,0,0,1,1,1v6H24v9H20V16H18V28a2.0023,2.0023,0,0,0,2,2h4a2.0023,2.0023,0,0,0,2-2V21a2.0023,2.0023,0,0,0,2-2V13A3.0033,3.0033,0,0,0,25,10Z" transform="translate(0 0)"/> <path d="M10,9a4,4,0,1,1,4-4A4.0042,4.0042,0,0,1,10,9Zm0-6a2,2,0,1,0,2,2A2.0023,2.0023,0,0,0,10,3Z" transform="translate(0 0)"/> <path d="M22,9a4,4,0,1,1,4-4A4.0042,4.0042,0,0,1,22,9Zm0-6a2,2,0,1,0,2,2A2.0023,2.0023,0,0,0,22,3Z" transform="translate(0 0)"/> </svg>