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-dme.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="M30,6a2.0023,2.0023,0,0,0-2-2H4A2.0023,2.0023,0,0,0,2,6V26a2.0023,2.0023,0,0,0,2,2H28a2.0023,2.0023,0,0,0,2-2Zm-2,6.9258L22.9636,6H28ZM27.7637,16,20.491,26H11.509L4.2363,16,11.509,6h8.982ZM9.0364,6,4,12.9248V6ZM4,19.0752,9.0364,26H4ZM22.9636,26l5.0374-6.9263L28,26Z" transform="translate(0 0)"/> </svg>