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/chip.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"><title>chip</title><path d="M11,11V21H21V11Zm8,8H13V13h6Z" transform="translate(0)"/><path d="M30,13V11H26V8a2,2,0,0,0-2-2H21V2H19V6H13V2H11V6H8A2,2,0,0,0,6,8v3H2v2H6v6H2v2H6v3a2,2,0,0,0,2,2h3v4h2V26h6v4h2V26h3a2,2,0,0,0,2-2V21h4V19H26V13ZM24,24H8V8H24Z" transform="translate(0)"/></svg>