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/DVR.svg

@@ -0,0 +1 @@
+<svg id="icon" viewBox="0 0 32 32"><title>DVR</title><path d="M30,15V11a2,2,0,0,0-2-2H22V23h2V17h1.48l2.34,6H30l-2.33-6H28A2,2,0,0,0,30,15Zm-6-4h4v4H24Z"/><polygon points="18 9 16 22 14 9 12 9 14.52 23 17.48 23 20 9 18 9"/><path d="M6,23H2V9H6a4,4,0,0,1,4,4v6A4,4,0,0,1,6,23ZM4,21H6a2,2,0,0,0,2-2V13a2,2,0,0,0-2-2H4Z"/></svg>