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/color-picker.svg

@@ -0,0 +1,2 @@
+<svg id="icons" width="32" height="32" version="1.1" viewBox="0 0 32 32"> <!-- Generator: Adobe Illustrator 30.2.1, SVG Export Plug-In . SVG Version: 2.1.1 Build 1) --> <g> <rect x="2" y="27.0001" width="2.9999" height="2.9999"/> <path d="M29.7092,7.3007v-.01l-4.9999-4.9999c-.3901-.3877-1.0199-.3877-1.41,0l-3.2999,3.2999-1.2899-1.3-1.42,1.4199,1.3,1.2899-10.2998,10.2898c-.1871.1887-.2915.4442-.29.7099v1.59l-2.7099,2.6999c-.3877.39-.3877,1.0199,0,1.4099l2.9999,2.9999c.3901.3877,1.0199.3877,1.41,0l2.7099-2.6999h1.59c.2658.0016.5213-.1028.71-.29l10.2897-10.2997,1.2899,1.3,1.42-1.4199-1.3-1.29,3.3-3.2899c.3877-.39.3877-1.0199,0-1.4099h0ZM19.5933,15.9966h-7.1798l7.586-7.586,3.5899,3.5899-3.9962,3.9962h0ZM24.9993,10.5905l-3.5899-3.5899,2.59-2.5899,3.5899,3.5899-2.59,2.59h0Z"/> </g> <rect id="__x3C_Transparent_Rectangle_x3E_" class="st0" width="32" height="32"/>
+</svg>