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/navaid-vor.svg

@@ -0,0 +1 @@
+<svg id="Layer_1" data-name="Layer 1" width="32" height="32" viewBox="0 0 32 32"> <circle cx="16" cy="16" r="2"/> <path class="cls-1" d="M30.8638,15.4961l-7-12A1,1,0,0,0,23,3H9a1,1,0,0,0-.8638.4961l-7,12a1,1,0,0,0,0,1.0078l7,12A1,1,0,0,0,9,29H23a1,1,0,0,0,.8638-.4961l7-12a1,1,0,0,0,0-1.0078ZM22.4258,27H9.5742L3.1577,16,9.5742,5H22.4258l6.4165,11Z" transform="translate(0 0)"/> </svg>