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-action.svg

@@ -0,0 +1 @@
+<svg id="icon" viewBox="0 0 32 32"><title>camera-action</title><path d="M12,23a6,6,0,1,1,6-6A6,6,0,0,1,12,23Zm0-10a4,4,0,1,0,4,4A4,4,0,0,0,12,13Z" transform="translate(0)"/><path d="M29,27H3a1,1,0,0,1-1-1V6A1,1,0,0,1,3,5H29a1,1,0,0,1,1,1V26A1,1,0,0,1,29,27ZM4,25H28V7H4Z" transform="translate(0)"/><rect x="19" y="9" width="7" height="2"/><circle cx="12" cy="17" r="1"/></svg>