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/extract-text.svg

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- Generator: Adobe Illustrator 26.3.1, 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="extract-text_00000163056817461291470170000003488923497178375090_" d="M28.255,16.746l-0.51,0.509l1.386,1.385h-3.77V7
+	c0-0.096-0.038-0.187-0.105-0.254l-6-6C19.188,0.678,19.096,0.64,19,0.64H1C0.801,0.64,0.64,0.801,0.64,1v30
+	c0,0.199,0.161,0.36,0.36,0.36h24c0.199,0,0.36-0.161,0.36-0.36V19.36h3.77l-1.386,1.385l0.51,0.51L30.509,19L28.255,16.746z
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+	h15.131L18.745,13.254z M20.131,26.64l-1.386-1.385l0.51-0.51L21.509,27l-2.254,2.255l-0.51-0.51l1.386-1.385H5v-0.72H20.131z
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+</svg>