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/cybersecurity.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="cybersecurity_00000107570395889346008200000012012325998864386976_" d="M17,16c0,0.425-0.267,0.782-0.64,0.927V18
+	c0,0.199-0.161,0.36-0.36,0.36s-0.36-0.161-0.36-0.36v-1.073C15.267,16.782,15,16.425,15,16c0-0.552,0.448-1,1-1S17,15.448,17,16z
+	 M10.64,22V12c0-0.199,0.161-0.36,0.36-0.36h2.14V8.5c0-1.577,1.283-2.86,2.86-2.86s2.86,1.283,2.86,2.86v3.14H21
+	c0.199,0,0.36,0.161,0.36,0.36v10c0,0.199-0.161,0.36-0.36,0.36H11C10.801,22.36,10.64,22.199,10.64,22z M13.86,11.64h4.28V8.5
+	c0-1.18-0.96-2.14-2.14-2.14s-2.14,0.96-2.14,2.14C13.86,8.5,13.86,11.64,13.86,11.64z M11.36,21.64h9.28v-9.28h-9.28V21.64z
+	 M30.36,1v16c0,7.918-6.442,14.36-14.36,14.36S1.64,24.918,1.64,17V1c0-0.199,0.161-0.36,0.36-0.36h28
+	C30.199,0.64,30.36,0.801,30.36,1z M29.64,1.36H2.36V17c0,7.521,6.119,13.64,13.64,13.64S29.64,24.522,29.64,17V1.36z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>