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/capitol.svg

@@ -0,0 +1,16 @@
+<?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="capitol_1_" d="M31,31.36H1v-0.72h0.64V20c0-0.199,0.161-0.36,0.36-0.36h5.64V19c0-0.199,0.161-0.36,0.36-0.36h16
+	c0.199,0,0.36,0.161,0.36,0.36v0.64H30c0.199,0,0.36,0.161,0.36,0.36v10.64H31V31.36z M24.36,30.64h5.279V20.36H24.36V30.64z
+	 M8.36,30.64h15.28V19.36H8.36V30.64z M2.36,30.64h5.28V20.36H2.36V30.64z M27.36,30h-0.72v-3h0.721L27.36,30L27.36,30z M20.36,30
+	h-0.72v-3h0.721L20.36,30L20.36,30z M16.36,30h-0.72v-3h0.72V30z M12.36,30h-0.72v-3h0.72V30z M5.36,30H4.64v-3h0.72
+	C5.36,27,5.36,30,5.36,30z M27.36,25h-0.72v-3h0.721L27.36,25L27.36,25z M20.36,25h-0.72v-3h0.721L20.36,25L20.36,25z M16.36,25
+	h-0.72v-3h0.72V25z M12.36,25h-0.72v-3h0.72V25z M5.36,25H4.64v-3h0.72C5.36,22,5.36,25,5.36,25z M22.36,17h-0.72v-3.64H10.36V17
+	H9.64v-4c0-3.386,2.66-6.163,6-6.35V2c0-0.199,0.161-0.36,0.36-0.36h3c0.199,0,0.36,0.161,0.36,0.36v2c0,0.199-0.161,0.36-0.36,0.36
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+	 M16.36,3.64h2.28V2.36h-2.28V3.64z M19.36,17h-0.72v-2h0.721L19.36,17L19.36,17z M16.36,17h-0.72v-2h0.72V17z M13.36,17h-0.72v-2
+	h0.72V17z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>