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/paste.svg

@@ -0,0 +1 @@
+<svg id="icon" viewBox="0 0 32 32"><title>paste</title><path d="M26,20H17.83l2.58-2.59L19,16l-5,5,5,5,1.41-1.41L17.83,22H26v8h2V22A2,2,0,0,0,26,20Z"/><path d="M23.71,9.29l-7-7A1,1,0,0,0,16,2H6A2,2,0,0,0,4,4V28a2,2,0,0,0,2,2h8V28H6V4h8v6a2,2,0,0,0,2,2h6v2h2V10A1,1,0,0,0,23.71,9.29ZM16,4.41,21.59,10H16Z"/></svg>