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/chart-ring.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <title>chart--ring</title> <path d="M16,2A14,14,0,1,0,30,16,14.0158,14.0158,0,0,0,16,2ZM27.9493,15.001H21.91a5.9825,5.9825,0,0,0-9.3806-3.8853l-4.27-4.27a11.9783,11.9783,0,0,1,19.69,8.1548ZM16,20a4,4,0,1,1,4-4A4.0045,4.0045,0,0,1,16,20ZM4,16A11.937,11.937,0,0,1,6.8455,8.26l4.27,4.2695A5.9836,5.9836,0,0,0,15,21.9106v6.04A12.0105,12.0105,0,0,1,4,16ZM17,27.95v-6.04A6.0069,6.0069,0,0,0,21.91,17h6.04A12.0082,12.0082,0,0,1,17,27.95Z"/> </svg>