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/flexible--infrastructure.svg

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 26.3.1, 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">
+<style type="text/css">
+	.st0{fill:none;}
+</style>
+<path id="flexible--infrastructure" d="M20.5,12.5c-0.3,0-0.5-0.2-0.5-0.5s0.2-0.5,0.5-0.5S21,11.7,21,12S20.8,12.5,20.5,12.5z
+	 M21,19c0-0.3-0.2-0.5-0.5-0.5S20,18.7,20,19s0.2,0.5,0.5,0.5S21,19.3,21,19z M17,18.6h-6v0.7h6V18.6z M17,11.6h-6v0.7h6V11.6z
+	 M23.4,10c0-0.2-0.2-0.4-0.4-0.4H9c-0.2,0-0.4,0.2-0.4,0.4v5c0,0.2,0.2,0.4,0.4,0.4h14c0.2,0,0.4-0.2,0.4-0.4V10z M22.6,14.6H9.4
+	v-4.3h13.3V14.6z M23,16.6H9c-0.2,0-0.4,0.2-0.4,0.4v5c0,0.2,0.2,0.4,0.4,0.4h14c0.2,0,0.4-0.2,0.4-0.4v-5
+	C23.4,16.8,23.2,16.6,23,16.6z M22.6,21.6H9.4v-4.3h13.3V21.6z M12,4.4c1.1,0,1.6,0.6,1.6,1.6v3h0.7V6c0-1.5-0.9-2.4-2.4-2.4H2.9
+	l2.4-2.4L4.7,0.7L1.5,4l3.3,3.3l0.5-0.5L2.9,4.4H12z M20.6,1.9V9h0.7V1.9l2.4,2.4l0.5-0.5L21,0.5l-3.3,3.3l0.5,0.5L20.6,1.9z
+	 M11.4,30.1V23h-0.7v7.1l-2.4-2.4l-0.5,0.5l3.3,3.3l3.3-3.3l-0.5-0.5L11.4,30.1z M27.3,24.7l-0.5,0.5l2.4,2.4H20
+	c-1.1,0-1.6-0.6-1.6-1.6v-3h-0.7v3c0,1.5,0.9,2.4,2.4,2.4h9.1l-2.4,2.4l0.5,0.5l3.3-3.3L27.3,24.7z"/>
+<rect id="_Transparent_Rectangle" class="st0" width="32" height="32"/>
+</svg>