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/chart-bubble.svg

@@ -0,0 +1 @@
+<svg id="icon" viewBox="0 0 32 32"><title>chart--bubble</title><path d="M30,30H4a2,2,0,0,1-2-2V2H4V28H30Z"/><path d="M10,16a2,2,0,1,1-2,2,2,2,0,0,1,2-2m0-2a4,4,0,1,0,4,4,4,4,0,0,0-4-4Z"/><path d="M21,6a4,4,0,1,1-4,4,4,4,0,0,1,4-4m0-2a6,6,0,1,0,6,6,6,6,0,0,0-6-6Z"/><path d="M24.5,21A1.5,1.5,0,1,1,23,22.5,1.5,1.5,0,0,1,24.5,21m0-2A3.5,3.5,0,1,0,28,22.5,3.5,3.5,0,0,0,24.5,19Z"/></svg>