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--elm-reporting.svg

@@ -0,0 +1,10 @@
+<?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--elm-reporting_00000057864220061267295490000004030412165366517162_" d="M5.254,29.255l-0.509-0.51l6.385-6.385H7
+	v-0.72h5.36V27h-0.72v-4.131L5.254,29.255z M27.36,19c0-0.199-0.161-0.36-0.36-0.36h-5c-0.199,0-0.36,0.161-0.36,0.36v7h0.721v-6.64
+	h4.279V26h0.721L27.36,19L27.36,19z M20.36,11c0-0.199-0.161-0.36-0.36-0.36h-5c-0.199,0-0.36,0.161-0.36,0.36v15h0.72V11.36h4.28
+	V26h0.721V11H20.36z M13.36,3c0-0.199-0.161-0.36-0.36-0.36H8C7.801,2.64,7.64,2.801,7.64,3v16h0.72V3.36h4.28V19h0.72V3z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>