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/face--dissatisfied.svg

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- Generator: Adobe Illustrator 24.1.2, 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="face--dissatisfied_1_" d="M10.75,13c0,0.414-0.336,0.75-0.75,0.75S9.25,13.414,9.25,13s0.336-0.75,0.75-0.75
+	S10.75,12.586,10.75,13z M22,12.25c-0.414,0-0.75,0.336-0.75,0.75s0.336,0.75,0.75,0.75s0.75-0.336,0.75-0.75S22.414,12.25,22,12.25
+	z M16,31.36C7.53,31.36,0.64,24.47,0.64,16S7.53,0.64,16,0.64S31.36,7.53,31.36,16S24.47,31.36,16,31.36z M16,1.36
+	C7.927,1.36,1.36,7.927,1.36,16c0,8.072,6.567,14.64,14.64,14.64c8.072,0,14.64-6.567,14.64-14.64S24.072,1.36,16,1.36z
+	 M21.701,23.2c-0.02-0.028-1.952-2.84-5.701-2.84s-5.682,2.812-5.701,2.84L9.7,22.801c0.086-0.13,2.154-3.161,6.299-3.161
+	s6.214,3.031,6.3,3.161L21.701,23.2z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>