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/stacked-move.svg

@@ -0,0 +1 @@
+<svg id="icon" viewBox="0 0 32 32"><title>stacked--move</title><path d="M15,28H4a2,2,0,0,1-2-2V11A2,2,0,0,1,4,9H15a2,2,0,0,1,2,2V26A2,2,0,0,1,15,28ZM4,11V26H15V11Z" transform="translate(0)"/><path d="M26,6,24.59,7.41,27,10H22V6a2,2,0,0,0-2-2H10V6H20V20h2V12h5l-2.41,2.59L26,16l5-5Z" transform="translate(0)"/></svg>