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/redo.svg

@@ -0,0 +1 @@
+<svg id="Layer_1" data-name="Layer 1" width="32" height="32" viewBox="0 0 32 32"> <path d="M12,10H24.1851L20.5977,6.4141,22,5,28,11,22,17l-1.4023-1.4146L24.1821,12H12a6,6,0,0,0,0,12h8v2H12a8,8,0,0,1,0-16Z" transform="translate(0 0)"/> </svg>