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/humidity-alt.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <title>humidity--alt</title> <path d="M26,12a3.8978,3.8978,0,0,1-4-3.777,3.9017,3.9017,0,0,1,.6533-2.0639L25.17,2.4141a1.0381,1.0381,0,0,1,1.6592,0L29.3154,6.11A3.9693,3.9693,0,0,1,30,8.223,3.8978,3.8978,0,0,1,26,12Zm0-7.2368L24.3438,7.2257A1.89,1.89,0,0,0,24,8.223a2.0139,2.0139,0,0,0,4,0,1.98,1.98,0,0,0-.375-1.0466Z" transform="translate(0)"/> <path d="M23.5,30H8.5A6.4962,6.4962,0,0,1,7.2,17.1381a8.9938,8.9938,0,0,1,17.6006,0A6.4964,6.4964,0,0,1,23.5,30ZM16,12a7,7,0,0,0-6.9414,6.1452l-.0991.8122-.8155.064A4.4962,4.4962,0,0,0,8.5,28h15a4.4962,4.4962,0,0,0,.3564-8.9786l-.8154-.064-.0986-.8122A7.0022,7.0022,0,0,0,16,12Z" transform="translate(0)"/> </svg>