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/luggage.svg

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- Generator: Adobe Illustrator 24.3.0, 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">
+<path id="luggage_1_" d="M20.5,31.36c-1.025,0-1.86-0.835-1.86-1.86v-0.14h-5.28v0.14c0,1.025-0.834,1.86-1.86,1.86
+	s-1.86-0.835-1.86-1.86v-0.14H8c-0.199,0-0.36-0.161-0.36-0.36V9c0-0.199,0.161-0.36,0.36-0.36h4.64V1c0-0.199,0.161-0.36,0.36-0.36
+	h6c0.199,0,0.36,0.161,0.36,0.36v7.64H24c0.199,0,0.36,0.161,0.36,0.36v20c0,0.199-0.161,0.36-0.36,0.36h-1.64v0.14
+	C22.36,30.525,21.525,31.36,20.5,31.36z M19.36,29.36v0.14c0,0.629,0.511,1.14,1.14,1.14s1.14-0.511,1.14-1.14v-0.14H19.36z
+	 M10.36,29.36v0.14c0,0.629,0.512,1.14,1.14,1.14s1.14-0.511,1.14-1.14v-0.14H10.36z M8.36,28.64h15.28V9.36H8.36V28.64z
+	 M13.36,8.64h5.28V1.36h-5.28C13.36,1.36,13.36,8.64,13.36,8.64z M21,25.36H11v-0.72h10V25.36z M21,22.36H11v-0.72h10V22.36z
+	 M21,19.36H11v-0.72h10V19.36z M21,16.36H11v-0.72h10V16.36z M21,13.36H11v-0.72h10V13.36z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>