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/encryption--02.svg

@@ -0,0 +1,18 @@
+<?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="encryption--02_00000036948546373886961220000014924778169377269389_" d="M16.36,18.452V21c0,0.199-0.161,0.36-0.36,0.36
+	s-0.36-0.161-0.36-0.36v-2.548C14.986,18.29,14.5,17.704,14.5,17c0-0.828,0.672-1.5,1.5-1.5c0.828,0,1.5,0.672,1.5,1.5
+	C17.5,17.704,17.014,18.29,16.36,18.452z M6.36,23H5.64V12c0-0.199,0.161-0.36,0.36-0.36h4.64V6c0-2.956,2.404-5.36,5.36-5.36
+	c2.955,0,5.36,2.404,5.36,5.36v5.64H26c0.199,0,0.36,0.161,0.36,0.36v11h-0.72V12.36H6.36V23z M11.36,11.64h9.28V6
+	c0-2.559-2.081-4.64-4.64-4.64S11.36,3.441,11.36,6V11.64z M21.917,26.178l-1.557,0.367V25h-0.72v1.545l-1.557-0.367l-0.166,0.701
+	l1.501,0.354l-1.025,1.57l0.604,0.395L20,27.658l1.004,1.539l0.604-0.395l-1.025-1.57l1.501-0.354L21.917,26.178z M13.917,26.178
+	l-1.558,0.367V25h-0.72v1.545l-1.558-0.367l-0.165,0.701l1.5,0.354l-1.025,1.57l0.603,0.395L12,27.658l1.004,1.539l0.603-0.395
+	l-1.025-1.57l1.5-0.354L13.917,26.178z M25.917,26.879l1.501,0.354l-1.025,1.57l0.604,0.395L28,27.658l1.004,1.539l0.604-0.395
+	l-1.025-1.57l1.501-0.354l-0.166-0.701l-1.557,0.367V25H27.64v1.545l-1.557-0.367L25.917,26.879z M2.393,28.803l0.603,0.395
+	L4,27.658l1.004,1.539l0.603-0.395l-1.025-1.57l1.5-0.354l-0.165-0.701L4.36,26.545V25H3.64v1.545l-1.558-0.367l-0.165,0.701
+	l1.5,0.354L2.393,28.803z M17,31.36h6v-0.72h-6V31.36z M25,30.64v0.721h6V30.64H25z M1,31.36h6v-0.72H1V31.36z M9,31.36h6v-0.72H9
+	V31.36z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>