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/temperature-hot.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <rect x="26" y="13" width="4" height="2"/> <rect x="23.1214" y="5.879" width="3.9999" height="1.9998" transform="translate(2.4937 19.7783) rotate(-45)"/> <rect x="24.1212" y="19.1214" width="1.9998" height="3.9999" transform="translate(-7.5773 23.9496) rotate(-45)"/> <rect x="17" y="2" width="2" height="4"/> <path d="M18,8a6.0365,6.0365,0,0,0-1,.09v2.0518A3.9567,3.9567,0,0,1,18,10a4,4,0,0,1,0,8v2A6,6,0,0,0,18,8Z"/> <path d="M10,20.1839V7H8V20.1839a3,3,0,1,0,2,0Z"/> <path d="M9,30A6.9931,6.9931,0,0,1,4,18.1108V7A5,5,0,0,1,14,7V18.1108A6.9931,6.9931,0,0,1,9,30ZM9,4A3.0033,3.0033,0,0,0,6,7V18.9834l-.332.2983a5,5,0,1,0,6.664,0L12,18.9834V7A3.0033,3.0033,0,0,0,9,4Z"/> </svg>