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/fragile.svg

@@ -0,0 +1,10 @@
+<?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="fragile_1_" d="M21,31.36H11v-0.72h4.64V17.35c-3.34-0.187-6-2.963-6-6.35V1c0-0.199,0.161-0.36,0.36-0.36h10
+	c0.146,0,0.277,0.087,0.333,0.222c0.056,0.134,0.024,0.289-0.078,0.392L17.509,4l1.746,1.746c0.141,0.141,0.141,0.368,0,0.509l-3,3
+	l-0.509-0.509L18.491,6l-1.746-1.746c-0.141-0.141-0.141-0.368,0-0.509l2.385-2.386h-8.77V11c0,3.11,2.53,5.64,5.64,5.64
+	s5.64-2.53,5.64-5.64V3h0.721v8c0,3.386-2.66,6.163-6,6.35v13.29H21V31.36z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>