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/forecast-hail-30.svg

@@ -0,0 +1 @@
+<svg id="Layer_1" data-name="Layer 1" width="32" height="32" viewBox="0 0 32 32"> <rect x="8.9644" y="13.5001" width="5.0716" height="1.9994" transform="translate(-6.8846 12.3788) rotate(-45)"/> <rect x="15.3786" y="14.5002" width="2.2432" height="1.9994" transform="translate(-6.1273 16.2053) rotate(-44.9951)"/> <circle cx="10.5" cy="22.5" r="1.5"/> <circle cx="7.5" cy="18.5" r="1.5"/> <circle cx="13.5" cy="18.5" r="1.5"/> <path d="M14,28A10,10,0,0,1,14,8h4v5l6-6L18,1V6H14a12,12,0,0,0,0,24Z" transform="translate(0 0)"/> <path d="M20,20H16v2h4v2H17v2h3v2H16v2h4a2.0027,2.0027,0,0,0,2-2V22A2.0023,2.0023,0,0,0,20,20Z" transform="translate(0 0)"/> <path d="M28,30H26a2.0021,2.0021,0,0,1-2-2V22a2.0021,2.0021,0,0,1,2-2h2a2.0021,2.0021,0,0,1,2,2v6A2.0021,2.0021,0,0,1,28,30Zm-2-8v6h2V22Z" transform="translate(0 0)"/> </svg>