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/kiosk-device.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path d="M26,19c1.1,0,2-.9,2-2V4c0-1.1-.9-2-2-2H6c-1.1,0-2,.9-2,2v13c0,1.1.9,2,2,2h7v9H4v2h24v-2h-9v-9h7ZM17,28h-2v-9h2v9ZM6,17V4h20v13H6ZM16,13c-.55,0-1,.45-1,1s.45,1,1,1,1-.45,1-1-.45-1-1-1Z"/> </svg>