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/cardboard.svg

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- Generator: Adobe Illustrator 27.5.0, 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="cardboard_00000059990684660615028390000015663889746038869930_" d="M28,29.36H4c-0.199,0-0.36-0.161-0.36-0.36V11.065
+	L0.663,3.126c-0.041-0.11-0.026-0.234,0.041-0.331S0.882,2.64,1,2.64h15c0.15,0,0.284,0.093,0.337,0.233L19,9.975l2.663-7.101
+	C21.716,2.733,21.85,2.64,22,2.64h9c0.118,0,0.229,0.058,0.296,0.155s0.083,0.221,0.041,0.332l-2.977,7.939V29
+	C28.36,29.199,28.199,29.36,28,29.36z M19.36,28.64h8.279V11.36H19.36V28.64z M4.36,28.64h14.28V11.36H4.36V28.64z M19.52,10.64
+	h8.231l2.729-7.28h-8.231L19.52,10.64z M4.25,10.64h14.23l-2.73-7.28H1.52L4.25,10.64z M14,17.36H9c-0.75,0-1.36-0.61-1.36-1.36
+	c0-0.013,0-0.025,0.002-0.038C7.663,15.229,8.264,14.64,9,14.64h5c0.75,0,1.36,0.61,1.36,1.36S14.75,17.36,14,17.36z M8.36,16.027
+	C8.375,16.367,8.656,16.64,9,16.64h5c0.353,0,0.64-0.287,0.64-0.64s-0.287-0.64-0.64-0.64H9c-0.352,0-0.639,0.288-0.639,0.642
+	C8.361,16.01,8.361,16.019,8.36,16.027z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>