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/add-server.svg

@@ -0,0 +1 @@
+<svg id="Layer_1" data-name="Layer 1" width="32" height="32" viewBox="0 0 32 32"> <path id="add--server" d="M23,30h-2v-6h-6v-2h6v-6h2v6h6v2h-6v6ZM13,28H5c-1.103,0-2-.8975-2-2V4c0-1.103.897-2,2-2h16c1.1025,0,2,.897,2,2v8H5v6h8v2H5v6h8v2ZM5,10h16v-6H5v6ZM8,6c-.5523,0-1,.4477-1,1s.4477,1,1,1,1-.4477,1-1-.4477-1-1-1ZM8,14c-.5523,0-1,.4477-1,1s.4477,1,1,1,1-.4477,1-1-.4477-1-1-1ZM8,22c-.5523,0-1,.4477-1,1s.4477,1,1,1,1-.4477,1-1-.4477-1-1-1Z"/> </svg>