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/cloud-infra-migration.svg

@@ -0,0 +1,2 @@
+<svg id="icon" width="32" height="32" version="1.1" viewBox="0 0 32 32"> <!-- Generator: Adobe Illustrator 30.0.0, SVG Export Plug-In . SVG Version: 2.1.1 Build 123) --> <path d="M19.25,14c-2.34,0-4.25-1.91-4.25-4.25,0-1.79,1.14-3.38,2.78-3.99.74-2.21,2.84-3.76,5.22-3.76s4.48,1.55,5.22,3.76c1.65.61,2.78,2.19,2.78,3.99,0,2.29-1.86,4.19-4.14,4.25h-7.61ZM23,4c-1.64,0-3.08,1.17-3.42,2.77l-.14.64-.64.13c-1.04.21-1.8,1.14-1.8,2.2,0,1.24,1.01,2.26,2.25,2.26h7.58c1.18-.03,2.17-1.05,2.17-2.26,0-1.06-.76-1.99-1.8-2.2l-.64-.13-.14-.64c-.34-1.6-1.78-2.77-3.42-2.77ZM9,16H3c-1.1,0-2,.9-2,2v10c0,1.1.9,2,2,2h6c1.1,0,2-.9,2-2v-10c0-1.1-.9-2-2-2ZM9,18v2H3v-2h6ZM9,22v2H3v-2h6ZM3,28v-2h6v2H3ZM21.47,22h-4.45l2.58-2.77-1.41-1.41-5.18,5.18,5.16,5.21,1.42-1.41-2.58-2.79h4.47c1.4,0,2.53-1.13,2.53-2.53v-5.47h-2v5.47c0,.29-.23.53-.53.53h0l-.01-.01Z"/> <rect id="_x3C_Transparent_Rectangle_x3E_" class="st0" width="32" height="32"/>
+</svg>