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/restaurant-fine.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"><title>restaurant--fine</title><path d="M30,11.0005v-8a1,1,0,0,0-1-1H19a1,1,0,0,0-1,1v8A6.0039,6.0039,0,0,0,23,16.91V28H19v2H29V28H25V16.91A6.0039,6.0039,0,0,0,30,11.0005Zm-10,0V4h8v7.0005a4,4,0,1,1-8,0Z" transform="translate(0 0)"/><path d="M12,2v9.02a3.9644,3.9644,0,0,1-3.96,3.96A4.0052,4.0052,0,0,1,4,11.02V2H2v9.02a5.9888,5.9888,0,0,0,5,5.8652V30H9V16.8953A5.9646,5.9646,0,0,0,14,11.02V2Z" transform="translate(0 0)"/><rect x="7" y="2" width="2" height="9.98"/></svg>