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/agile.svg

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- Generator: Adobe Illustrator 29.1.0, SVG Export Plug-In . SVG Version: 9.03 Build 55587)  -->
+<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="agile_00000174562231272493849940000002660580801836303243_" d="M29.255,30.255l-0.51-0.51l1.386-1.385H23v-0.72h7.131
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+	S3.36,8.03,3.36,15c0,4.342,2.188,8.328,5.853,10.665l-0.387,0.607C4.953,23.803,2.64,19.589,2.64,15C2.64,7.633,8.633,1.64,16,1.64
+	S29.36,7.633,29.36,15S23.367,28.36,16,28.36z M16,24.36c-5.161,0-9.36-4.199-9.36-9.36S10.839,5.64,16,5.64s9.36,4.199,9.36,9.36
+	S21.161,24.36,16,24.36z M16,6.36c-4.764,0-8.64,3.876-8.64,8.64s3.876,8.64,8.64,8.64s8.64-3.876,8.64-8.64S20.764,6.36,16,6.36z
+	 M16,20.36c-2.956,0-5.36-2.405-5.36-5.36c0-2.956,2.404-5.36,5.36-5.36c2.955,0,5.36,2.404,5.36,5.36
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+	 M16,14.36c-0.353,0-0.64,0.287-0.64,0.64s0.287,0.64,0.64,0.64s0.64-0.287,0.64-0.64S16.353,14.36,16,14.36z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>