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/managing--items.svg

@@ -0,0 +1,18 @@
+<?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="managing--items_1_" d="M31,8.64h-2c-0.199,0-0.36,0.161-0.36,0.36v0.64h-5.55c-0.248-1.166-0.654-2.275-1.231-3.28H29
+	V5.64h-7.592c-2.044-3.015-5.499-5-9.408-5C5.736,0.64,0.64,5.736,0.64,12S5.736,23.36,12,23.36c3.003,0,5.737-1.172,7.771-3.081
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+</svg>