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/martini-glass.svg

@@ -0,0 +1,16 @@
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+<!-- Generator: Adobe Illustrator 29.1.0, SVG Export Plug-In . SVG Version: 9.03 Build 55587)  -->
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+	 viewBox="0 0 32 32" style="enable-background:new 0 0 32 32;" xml:space="preserve">
+<path id="martini-glass_00000063631547150642977030000004231663524803003062_" d="M20,31.36h-8v-0.72h3.64V20.15L2.746,7.254
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+	c0.146,0,0.277,0.087,0.333,0.222c0.056,0.134,0.024,0.289-0.078,0.392L16.36,20.149v10.49H20V31.36z M6.869,10.36L16,19.491
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