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/recommend.svg

@@ -0,0 +1 @@
+<svg id="icon" viewBox="0 0 32 32"><title>recommend</title><path d="M16,2a9,9,0,0,0-6,15.69V30l6-4,6,4V17.69A9,9,0,0,0,16,2Zm4,24.26-2.89-1.92L16,23.6l-1.11.74L12,26.26V19.05a8.88,8.88,0,0,0,8,0ZM20.89,16A7,7,0,1,1,23,11,7,7,0,0,1,20.89,16Z"/></svg>