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/mobile-session.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path d="m24,18c-3.3083,0-6,2.6914-6,6s2.6917,6,6,6,6-2.6914,6-6-2.6917-6-6-6Zm0,10c-2.2056,0-4-1.7944-4-4s1.7944-4,4-4v4h4c0,2.2056-1.7944,4-4,4Z"/> <path d="m16,28h-7V8h14v7h2V4c0-1.103-.8975-2-2-2h-14c-1.103,0-2,.897-2,2v24c0,1.1025.897,2,2,2h7v-2ZM9,4h14v2h-14v-2Z"/> </svg>