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/cloud.svg

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- Generator: Adobe Illustrator 28.0.0, 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="cloud_00000152250319629790829280000006950907518350821561_" d="M24,27.36H10c-5.161,0-9.36-4.199-9.36-9.36
+	S4.839,8.64,10,8.64c0.483,0,0.984,0.042,1.493,0.125C13.092,6.776,15.452,5.64,18,5.64c4.278,0,7.804,3.152,8.298,7.372
+	C29.29,13.996,31.36,16.834,31.36,20C31.36,24.059,28.059,27.36,24,27.36z M10,9.36c-4.764,0-8.64,3.876-8.64,8.64
+	s3.876,8.64,8.64,8.64h14c3.661,0,6.64-2.979,6.64-6.64c0-2.929-1.964-5.548-4.776-6.369c-0.143-0.042-0.245-0.166-0.258-0.314
+	C25.253,9.351,21.983,6.36,18,6.36c-2.395,0-4.608,1.099-6.071,3.016c-0.083,0.108-0.219,0.16-0.352,0.136
+	C11.03,9.41,10.514,9.36,10,9.36z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>