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/dew-point.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <title>dew-point</title> <path d="M24,10a4,4,0,1,1,4-4A4.0045,4.0045,0,0,1,24,10Zm0-6a2,2,0,1,0,2,2A2.0021,2.0021,0,0,0,24,4Z"/> <path d="M14.5,30A5.4962,5.4962,0,0,1,9,24.52c0-3.4426,4.3442-21.0141,4.5293-21.76a1,1,0,0,1,1.9414,0C15.6558,3.5059,20,21.0774,20,24.52A5.4962,5.4962,0,0,1,14.5,30Zm0-22.7561C13.0391,13.38,11,22.4089,11,24.52a3.5,3.5,0,0,0,7,0C18,22.4089,15.9609,13.38,14.5,7.2439Z"/> </svg>