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-pictograms/moving-dolly.svg

@@ -0,0 +1,16 @@
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+<!-- Generator: Adobe Illustrator 27.2.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
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+	 viewBox="0 0 32 32" style="enable-background:new 0 0 32 32;" xml:space="preserve">
+<path id="moving-dolly_00000090267106188751997760000011608971957513865618_" d="M17,31.36c-1.853,0-3.36-1.508-3.36-3.36
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