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/table.svg

@@ -0,0 +1 @@
+<svg id="icon" viewBox="0 0 32 32"><title>table</title><path d="M29,5a2,2,0,0,0-2-2H5A2,2,0,0,0,3,5V27a2,2,0,0,0,2,2H27a2,2,0,0,0,2-2ZM27,5V9H5V5Zm0,22H5V23H27Zm0-6H5V17H27Zm0-6H5V11H27Z" transform="translate(0)"/></svg>