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/liquids.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="liquids_00000039108546273311414650000015516835732870312328_" d="M5.36,30H4.64v-4h0.72C5.36,26,5.36,30,5.36,30z
+	 M7.36,28H6.64v-8h0.72C7.36,20,7.36,28,7.36,28z M3.36,28H2.64v-4h0.72C3.36,24,3.36,28,3.36,28z M5.36,24H4.64v-3.901
+	c0-1.031,0.66-1.935,1.644-2.248l0.607-0.193l0.219,0.686l-0.607,0.193C5.82,18.755,5.36,19.383,5.36,20.099
+	C5.36,20.099,5.36,24,5.36,24z M3.36,22H2.64v-1.799c0-1.901,1.216-3.569,3.026-4.151l0.73-0.234l0.22,0.686l-0.73,0.234
+	c-1.511,0.485-2.526,1.877-2.526,3.465C3.36,20.201,3.36,22,3.36,22z M8.886,20.093L5.003,5.597L5.699,5.41l0.17,0.634l20.208-4.396
+	c0.188-0.04,0.374,0.073,0.424,0.258l2.847,10.625c0.05,0.186-0.055,0.377-0.238,0.436l-19.7,6.298l0.172,0.642L8.886,20.093z
+	 M6.055,6.741L9.222,18.57l2.176-0.695L8.286,6.255L6.055,6.741z M8.99,6.103l3.095,11.552l11.71-3.743L21.003,3.489L8.99,6.103z
+	 M21.707,3.335l2.774,10.356l4.082-1.305l-2.669-9.962L21.707,3.335z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>