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/wifi-controller.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path d="M6,30H26a2,2,0,0,0,2-2V22a2,2,0,0,0-2-2H6a2,2,0,0,0-2,2v6A2,2,0,0,0,6,30Zm0-8H26v6H6Z" transform="translate(0 0)"/> <circle cx="9" cy="25" r="1"/> <circle cx="16" cy="14.5" r="1.5"/> <path d="M10.7832,10.3325a7.0007,7.0007,0,0,1,10.4341,0l-1.49,1.334a5,5,0,0,0-7.4537,0Z" transform="translate(0 0)"/> <path d="M7.1992,7.3994a11.0019,11.0019,0,0,1,17.6006,0L23.2,8.6a9.0009,9.0009,0,0,0-14.4014.0005Z" transform="translate(0 0)"/> </svg>