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--ibv.svg

@@ -0,0 +1,13 @@
+<?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--ibv_00000119081874580079999710000009868223188218153399_" d="M16,30.36C8.082,30.36,1.64,23.918,1.64,16
+	S8.082,1.64,16,1.64v0.72C8.479,2.36,2.36,8.479,2.36,16S8.479,29.64,16,29.64S29.64,23.522,29.64,16h0.721
+	C30.36,23.918,23.918,30.36,16,30.36z M16,24.36c-4.61,0-8.36-3.751-8.36-8.36c0-4.61,3.75-8.36,8.36-8.36h8
+	c0.199,0,0.36,0.161,0.36,0.36v8C24.36,20.609,20.609,24.36,16,24.36z M16,8.36c-4.213,0-7.64,3.427-7.64,7.64s3.427,7.64,7.64,7.64
+	s7.64-3.427,7.64-7.64V8.36H16z M16,20.36c-2.404,0-4.36-1.956-4.36-4.36s1.956-4.36,4.36-4.36s4.36,1.956,4.36,4.36
+	S18.404,20.36,16,20.36z M16,12.36c-2.007,0-3.64,1.633-3.64,3.64s1.633,3.64,3.64,3.64s3.64-1.633,3.64-3.64S18.007,12.36,16,12.36
+	z M30.36,12h-0.72V2.36H20V1.64h10c0.199,0,0.36,0.161,0.36,0.36V12z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>