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/taste.svg

@@ -0,0 +1 @@
+<svg id="icon" viewBox="0 0 32 32"><title>taste</title><path d="M4,4V6H8v8a8,8,0,0,0,16,0V6h4V4ZM22,14a6,6,0,0,1-12,0V6h5v8h2V6h5Z"/><rect x="11" y="26" width="2" height="2"/><rect x="7" y="24" width="2" height="2"/><rect x="15" y="24" width="2" height="2"/><rect x="19" y="26" width="2" height="2"/><rect x="23" y="24" width="2" height="2"/></svg>