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/incomplete.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path d="M23.7642,6.8593l1.2851-1.5315A13.976,13.976,0,0,0,20.8672,2.887l-.6836,1.8776A11.9729,11.9729,0,0,1,23.7642,6.8593Z" transform="translate(0 0)"/> <path d="M27.81,14l1.9677-.4128A13.8888,13.8888,0,0,0,28.14,9.0457L26.4087,10A12.52,12.52,0,0,1,27.81,14Z" transform="translate(0 0)"/> <path d="M20.1836,27.2354l.6836,1.8776a13.976,13.976,0,0,0,4.1821-2.4408l-1.2851-1.5315A11.9729,11.9729,0,0,1,20.1836,27.2354Z" transform="translate(0 0)"/> <path d="M26.4087,22,28.14,23a14.14,14.14,0,0,0,1.6382-4.5872L27.81,18.0659A12.1519,12.1519,0,0,1,26.4087,22Z" transform="translate(0 0)"/> <path d="M16,30V2a14,14,0,0,0,0,28Z" transform="translate(0 0)"/> </svg>