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/nyc--brooklyn.svg

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- Generator: Adobe Illustrator 24.1.2, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 32 32" style="enable-background:new 0 0 32 32;" xml:space="preserve">
+<path id="nyc--brookklyn_1_" d="M7.64,16h0.72v4H7.64V16z M7.64,14h0.72v-4H7.64V14z M8.36,4H7.64v4h0.72V4z M9.64,20h0.72v-4H9.64
+	V20z M9.64,14h0.72v-4H9.64V14z M10.36,4H9.64v4h0.72C10.36,8,10.36,4,10.36,4z M5.64,20h0.72v-4H5.64V20z M5.64,14h0.72v-4H5.64V14
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+</svg>