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/networking--02.svg

@@ -0,0 +1,15 @@
+<?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="networking--02_1_" d="M28,31.36c-1.731,0-3.161-1.316-3.341-3H16c-0.199,0-0.36-0.161-0.36-0.36V16.36H7.341
+	c-0.18,1.684-1.61,3-3.341,3c-1.853,0-3.36-1.508-3.36-3.36S2.147,12.64,4,12.64c1.731,0,3.161,1.316,3.341,3h8.299V4
+	c0-0.199,0.161-0.36,0.36-0.36h8.659c0.18-1.684,1.609-3,3.341-3c1.853,0,3.36,1.507,3.36,3.36S29.853,7.36,28,7.36
+	c-1.731,0-3.161-1.316-3.341-3H16.36v11.28h8.299c0.18-1.684,1.609-3,3.341-3c1.853,0,3.36,1.507,3.36,3.36s-1.508,3.36-3.36,3.36
+	c-1.731,0-3.161-1.316-3.341-3H16.36v11.28h8.299c0.18-1.684,1.609-3,3.341-3c1.853,0,3.36,1.508,3.36,3.36S29.853,31.36,28,31.36z
+	 M28,25.36c-1.456,0-2.64,1.184-2.64,2.64s1.184,2.64,2.64,2.64s2.64-1.184,2.64-2.64S29.456,25.36,28,25.36z M28,13.36
+	c-1.456,0-2.64,1.185-2.64,2.64c0,1.456,1.184,2.64,2.64,2.64s2.64-1.184,2.64-2.64S29.456,13.36,28,13.36z M4,13.36
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+	c-1.456,0-2.64,1.185-2.64,2.64S26.544,6.64,28,6.64S30.64,5.456,30.64,4S29.456,1.36,28,1.36z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>