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/chart--area.svg

@@ -0,0 +1,13 @@
+<?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="chart--area_1_" d="M31,31.36H1c-0.199,0-0.36-0.161-0.36-0.36V1h0.72v6.5l11.526-3.842
+	c0.138-0.045,0.292-0.003,0.387,0.107l5.83,6.801l11.758-4.899c0.111-0.047,0.238-0.034,0.338,0.033C31.3,5.767,31.36,5.879,31.36,6
+	v25C31.36,31.199,31.199,31.36,31,31.36z M1.36,30.64h29.28v-7.058l-7.479,3.74c-0.118,0.059-0.259,0.049-0.367-0.027l-9.787-6.851
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+</svg>