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/deployment-unit-technical-data.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path d="M21,23H17V9h4a4.0045,4.0045,0,0,1,4,4v6A4.0042,4.0042,0,0,1,21,23Zm-2-2h2a2.0023,2.0023,0,0,0,2-2V13a2.002,2.002,0,0,0-2-2H19Z"/> <polygon points="7 11 10 11 10 23 12 23 12 11 15 11 15 9 7 9 7 11"/> </svg>