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/container-software.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"><title>container-software</title><path d="M28,12H20V4h8Zm-6-2h4V6H22Z"/><path d="M17,15V9H9V23H23V15Zm-6-4h4v4H11Zm4,10H11V17h4Zm6,0H17V17h4Z"/><path d="M26,28H6a2.0023,2.0023,0,0,1-2-2V6A2.0023,2.0023,0,0,1,6,4H16V6H6V26H26V16h2V26A2.0023,2.0023,0,0,1,26,28Z"/></svg>