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/ibm--z-open-enterprise-languages.svg

@@ -0,0 +1,14 @@
+<?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="ibm--z-open-enterprise-languages_00000067926935251635943240000015986021557916977325_" d="M23.255,30.255l-0.51-0.51
+	L27.491,25l-4.746-4.745l0.51-0.51L28.509,25L23.255,30.255z M19.745,30.255L14.491,25l5.254-5.255l0.51,0.51L15.509,25l4.746,4.745
+	L19.745,30.255z M23.36,14.36h-0.72V5.64h0.721L23.36,14.36L23.36,14.36z M19.36,14.36h-0.72V5.64h0.721L19.36,14.36L19.36,14.36z
+	 M7.36,14.36H6.64V5.64h0.72C7.36,5.64,7.36,14.36,7.36,14.36z M11,27.36H3c-0.199,0-0.36-0.161-0.36-0.36V3
+	c0-0.199,0.161-0.36,0.36-0.36h24c0.199,0,0.36,0.161,0.36,0.36v14h-0.72V3.36H3.36v23.28H11V27.36z M14,14.36h-3
+	c-0.75,0-1.36-0.61-1.36-1.36V7c0-0.75,0.61-1.36,1.36-1.36h3c0.75,0,1.36,0.61,1.36,1.36v6C15.36,13.75,14.75,14.36,14,14.36z
+	 M11,6.36c-0.353,0-0.64,0.287-0.64,0.64v6c0,0.353,0.287,0.64,0.64,0.64h3c0.353,0,0.64-0.287,0.64-0.64V7
+	c0-0.353-0.287-0.64-0.64-0.64H11z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>