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/mortar-and-pestle.svg

@@ -0,0 +1,11 @@
+<?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="mortar-and-pestle_1_" d="M15.982,30.36C7.522,30.36,0.64,23.47,0.64,15c0-0.199,0.161-0.36,0.36-0.36h5.647L2.049,6.678
+	c-0.447-0.774-0.565-1.68-0.333-2.549s0.788-1.594,1.562-2.041c1.604-0.926,3.664-0.375,4.59,1.229l6.536,11.323H31
+	c0.199,0,0.36,0.161,0.36,0.36C31.36,23.47,24.462,30.36,15.982,30.36z M1.364,15.36c0.191,7.907,6.675,14.28,14.618,14.28
+	c7.962,0,14.461-6.373,14.654-14.28H1.364z M7.479,14.64h6.093L7.245,3.678C6.517,2.417,4.899,1.983,3.639,2.711
+	c-0.608,0.351-1.044,0.92-1.227,1.604c-0.183,0.683-0.09,1.395,0.26,2.002L7.479,14.64z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>