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/high--performance.svg

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- 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">
+<path id="high--performance_00000138551449602305487120000004966034775395152060_" d="M31,0.64H1C0.801,0.64,0.64,0.801,0.64,1v30
+	c0,0.199,0.161,0.36,0.36,0.36h30c0.199,0,0.36-0.161,0.36-0.36V1C31.36,0.801,31.199,0.64,31,0.64z M30.64,30.64H6.891
+	c10.334-2.576,18.058-11.775,18.434-22.806l1.421,1.421l0.51-0.509L25,6.491l-2.255,2.255l0.51,0.509l1.362-1.362
+	C24.15,20.396,13.932,30.449,1.36,30.638V1.36h29.28C30.64,1.36,30.64,30.64,30.64,30.64z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>