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/microservices-2.svg

@@ -0,0 +1 @@
+<svg viewBox="0 0 32 32" style="enable-background:new 0 0 32 32" xml:space="preserve"><switch><g><path d="M16 22v-6h-6v-6H2v20h20v-8h-6zm-2-4v4h-4v-4h4zM4 12h4v4H4v-4zm4 6v4H4v-4h4zM4 28v-4h4v4H4zm10 0h-4v-4h4v4zm6 0h-4v-4h4v4zM29.6 13.6 27 16.2V10h3V2h-8v8h3v6.2l-2.6-2.6L21 15l5 5 5-5-1.4-1.4zM24 4h4v4h-4V4z"/><path style="fill:none" d="M0 0h32v32H0z"/></g></switch></svg>