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-os-package-manager.svg

@@ -0,0 +1,12 @@
+<?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-os-package-manager_00000101084038964393827660000002612353754358817464_" d="M4.36,14H3.64V9
+	c0-0.128,0.068-0.247,0.179-0.311l12-7c0.111-0.065,0.251-0.065,0.362,0l4.266,2.488l-0.363,0.622L16,2.417L4.36,9.207V14z
+	 M16,29.583l-11.64-6.79V18H3.64v5c0,0.128,0.068,0.246,0.179,0.311l12,7c0.056,0.033,0.119,0.05,0.181,0.05
+	c0.062,0,0.125-0.017,0.182-0.05l4.271-2.492l-0.363-0.621L16,29.583z M28.182,8.689l-4.279-2.496L23.54,6.815l4.101,2.392v13.586
+	l-4.094,2.389l0.363,0.621l4.272-2.492c0.11-0.064,0.179-0.183,0.179-0.311V9C28.36,8.872,28.292,8.753,28.182,8.689z M16.36,21.131
+	V10h-0.72v11.131l-4.386-4.386l-0.509,0.509L16,22.509l5.255-5.254l-0.51-0.509L16.36,21.131z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>