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/zoom-out-area.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <rect x="16" y="19" width="8" height="2"/> <path d="M31,29.5859l-4.6885-4.6884a8.028,8.028,0,1,0-1.414,1.414L29.5859,31ZM20,26a6,6,0,1,1,6-6A6.0066,6.0066,0,0,1,20,26Z"/> <path d="M4,8H2V4A2.0021,2.0021,0,0,1,4,2H8V4H4Z"/> <path d="M26,8H24V4H20V2h4a2.0021,2.0021,0,0,1,2,2Z"/> <rect x="12" y="2" width="4" height="2"/> <path d="M8,26H4a2.0021,2.0021,0,0,1-2-2V20H4v4H8Z"/> <rect x="2" y="12" width="2" height="4"/> </svg>