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/business--continuity--02.svg

@@ -0,0 +1,15 @@
+<?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="business--continuity--02_00000158735660898089264250000011138415584773633721_" d="M30,30.36H12
+	c-0.199,0-0.36-0.161-0.36-0.36v-8.64H11c-0.199,0-0.36-0.161-0.36-0.36v-0.64H2c-0.199,0-0.36-0.161-0.36-0.36V2
+	c0-0.199,0.161-0.36,0.36-0.36h18c0.199,0,0.36,0.161,0.36,0.36v8.64H21c0.199,0,0.36,0.161,0.36,0.36v0.64H30
+	c0.199,0,0.36,0.161,0.36,0.36v18C30.36,30.199,30.199,30.36,30,30.36z M12.36,29.64h17.28V12.36h-8.28V13
+	c0,0.199-0.161,0.36-0.36,0.36h-0.64V20c0,0.199-0.161,0.36-0.36,0.36h-6.64V21c0,0.199-0.161,0.36-0.36,0.36h-0.64
+	C12.36,21.36,12.36,29.64,12.36,29.64z M11.36,20.64h1.28v-1.28h-1.28V20.64z M13.36,19.64h6.28v-6.28H19
+	c-0.199,0-0.36-0.161-0.36-0.36v-0.64h-6.28v6.28H13c0.199,0,0.36,0.161,0.36,0.36V19.64z M2.36,19.64h8.28V19
+	c0-0.199,0.161-0.36,0.36-0.36h0.64V12c0-0.199,0.161-0.36,0.36-0.36h6.64V11c0-0.199,0.161-0.36,0.36-0.36h0.64V2.36H2.36V19.64z
+	 M19.36,12.64h1.279v-1.28H19.36V12.64z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>