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/printer.svg

@@ -0,0 +1 @@
+<svg id="icon" viewBox="0 0 32 32"><title>printer</title><path d="M28,9H25V3H7V9H4a2,2,0,0,0-2,2V21a2,2,0,0,0,2,2H7v6H25V23h3a2,2,0,0,0,2-2V11A2,2,0,0,0,28,9ZM9,5H23V9H9ZM23,27H9V17H23Zm5-6H25V15H7v6H4V11H28Z"/></svg>