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/phone-ip.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <rect x="16" y="14" width="2" height="2"/> <rect x="20" y="14" width="2" height="2"/> <rect x="24" y="14" width="2" height="2"/> <rect x="16" y="18" width="2" height="2"/> <rect x="20" y="18" width="2" height="2"/> <rect x="24" y="18" width="2" height="2"/> <rect x="16" y="22" width="2" height="2"/> <rect x="20" y="22" width="2" height="2"/> <rect x="24" y="22" width="2" height="2"/> <rect x="16" y="10" width="10" height="2"/> <path d="M28,6H14V5a2.0025,2.0025,0,0,0-2-2H8A2.0025,2.0025,0,0,0,6,5V6H4A2.0025,2.0025,0,0,0,2,8V26a2.0025,2.0025,0,0,0,2,2H28a2.0025,2.0025,0,0,0,2-2V8A2.0025,2.0025,0,0,0,28,6ZM8,5h4V22H8ZM28,26H4V8H6V22a2.0025,2.0025,0,0,0,2,2h4a2.0025,2.0025,0,0,0,2-2V8H28Z"/> </svg>