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/dialogue.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" 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">
+<g id="dialogue_2_">
+	<g>
+		<path d="M16.322,31.161l-0.644-0.322l4-8C19.74,22.717,19.864,22.64,20,22.64h7c2.007,0,3.64-1.633,3.64-3.64V5
+			c0-2.007-1.633-3.64-3.64-3.64H5C2.993,1.36,1.36,2.993,1.36,5v14c0,2.007,1.633,3.64,3.64,3.64h11v0.721H5
+			c-2.404,0-4.36-1.956-4.36-4.36V5c0-2.404,1.956-4.36,4.36-4.36h22c2.404,0,4.36,1.956,4.36,4.36v14c0,2.404-1.956,4.36-4.36,4.36
+			h-6.777L16.322,31.161z"/>
+	</g>
+	<g>
+		<path d="M17.5,12.5c0,0.828-0.672,1.5-1.5,1.5c-0.828,0-1.5-0.672-1.5-1.5S15.172,11,16,11C16.828,11,17.5,11.672,17.5,12.5z
+			 M23.5,11c-0.828,0-1.5,0.672-1.5,1.5s0.672,1.5,1.5,1.5s1.5-0.672,1.5-1.5S24.328,11,23.5,11z M8.5,11C7.672,11,7,11.672,7,12.5
+			S7.672,14,8.5,14s1.5-0.672,1.5-1.5S9.328,11,8.5,11z"/>
+	</g>
+</g>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>