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/invoice.svg

@@ -0,0 +1,19 @@
+<?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" 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">
+<g id="invoice">
+	<path id="invoice_1_" d="M24,31.36c-4.059,0-7.36-3.302-7.36-7.36c0-0.214,0.009-0.428,0.028-0.64H5V22.64h11.768
+		c0.132-0.697,0.364-1.375,0.69-2.002c0.231-0.455,0.51-0.884,0.829-1.277H5V18.64h13.955c0.297-0.278,0.617-0.532,0.958-0.758
+		C21.122,17.07,22.536,16.64,24,16.64c4.059,0,7.36,3.301,7.36,7.36S28.059,31.36,24,31.36z M24,17.36
+		c-1.32,0-2.596,0.388-3.688,1.121c-0.938,0.62-1.703,1.479-2.214,2.485c-0.483,0.93-0.738,1.978-0.738,3.033
+		c0,3.661,2.979,6.64,6.64,6.64s6.64-2.979,6.64-6.64S27.661,17.36,24,17.36z M17,31.36H1c-0.199,0-0.36-0.161-0.36-0.36V1
+		c0-0.199,0.161-0.36,0.36-0.36h18c0.096,0,0.188,0.038,0.255,0.105l6,6C25.322,6.813,25.36,6.904,25.36,7v8H24.64V7.36H19
+		c-0.199,0-0.36-0.161-0.36-0.36V1.36H1.36v29.28H17V31.36z M19.36,6.64h4.771L19.36,1.869V6.64z M24.36,27.5H23.64v-1.14H22V25.64
+		h3c0.353,0,0.64-0.287,0.64-0.64s-0.287-0.64-0.64-0.64h-2c-0.75,0-1.36-0.61-1.36-1.36s0.61-1.36,1.36-1.36h0.64V20.5h0.721v1.14
+		H26v0.721h-3c-0.353,0-0.64,0.287-0.64,0.64s0.287,0.64,0.64,0.64h2c0.75,0,1.36,0.61,1.36,1.36s-0.61,1.36-1.36,1.36h-0.64V27.5z
+		 M14,27.36H5V26.64h9V27.36z M21,15.36H5v-0.72h16V15.36z M21,11.36H5v-0.72h16V11.36z"/>
+</g>
+<g id="Layer_1">
+</g>
+</svg>