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/broom.svg

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- Generator: Adobe Illustrator 24.3.0, 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="broom_1_" d="M23,31.36H9c-0.101,0-0.198-0.043-0.266-0.117c-0.068-0.075-0.102-0.175-0.093-0.275l0.834-9.181l0,0
+	c0.111-1.225,1.122-2.147,2.351-2.147h3.813V1h0.72v18.64h3.814c1.229,0,2.238,0.923,2.35,2.147l0.835,9.181
+	c0.01,0.101-0.024,0.2-0.093,0.275C23.197,31.317,23.102,31.36,23,31.36z M18.36,30.64h4.245l-0.662-7.279H10.056L9.394,30.64h5.246
+	V27h0.72v3.64h2.28V25h0.721L18.36,30.64L18.36,30.64z M10.122,22.64h11.756l-0.071-0.788c-0.077-0.851-0.779-1.491-1.633-1.491
+	h-8.347c-0.854,0-1.556,0.641-1.634,1.491L10.122,22.64z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>