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/road-weather.svg

@@ -0,0 +1 @@
+<svg id="Layer_1" data-name="Layer 1" width="32" height="32" viewBox="0 0 32 32"> <path d="M16,31H14v-.228a3.0135,3.0135,0,0,0-1.9468-2.8091L8.5215,26.6384A3.9034,3.9034,0,0,1,6,23H8a1.8946,1.8946,0,0,0,1.2236,1.7659L12.7554,26.09A5.0226,5.0226,0,0,1,16,30.772Z" transform="translate(0 0)"/> <path d="M30,31H28v-.228a3.0135,3.0135,0,0,0-1.9468-2.8091l-3.5317-1.3245A3.9034,3.9034,0,0,1,20,23h2a1.8946,1.8946,0,0,0,1.2236,1.7659L26.7554,26.09A5.0226,5.0226,0,0,1,30,30.772Z" transform="translate(0 0)"/> <rect x="11" y="13" width="6" height="2"/> <path d="M23.4409,8,22.1687,3.45A2.009,2.009,0,0,0,20.2456,2H7.7544A2.0089,2.0089,0,0,0,5.8313,3.4507L4.5315,8H2v2H4v7a2.0025,2.0025,0,0,0,2,2v2H8V19H20v2h2V19a2.0025,2.0025,0,0,0,2-2V10h2V8ZM7.7544,4H20.2458l1.4285,5H6.3257ZM22,13H20v2h2v2H6V15H8V13H6V11H22Z" transform="translate(0 0)"/> </svg>