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/camera.svg

@@ -0,0 +1 @@
+<svg id="icon" viewBox="0 0 32 32"><title>camera</title><path d="M29,26H3a1,1,0,0,1-1-1V8A1,1,0,0,1,3,7H9.46l1.71-2.55A1,1,0,0,1,12,4h8a1,1,0,0,1,.83.45L22.54,7H29a1,1,0,0,1,1,1V25A1,1,0,0,1,29,26ZM4,24H28V9H22a1,1,0,0,1-.83-.45L19.46,6H12.54L10.83,8.55A1,1,0,0,1,10,9H4Z"/><path d="M16,22a6,6,0,1,1,6-6A6,6,0,0,1,16,22Zm0-10a4,4,0,1,0,4,4A4,4,0,0,0,16,12Z"/></svg>