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/virtual-private-cloud-alt.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"><title>virtual-private-cloud--alt</title><path d="M23.4141,22,10,8.5859V2H2v8H8.5859L22,23.4141V30h8V22ZM8,8H4V4H8ZM28,28H24V24h4Z" transform="translate(0 0)"/><path d="M30,6a3.9915,3.9915,0,0,0-7.8579-1H13V7h9.1421A3.9945,3.9945,0,0,0,25,9.8579V19h2V9.8579A3.9962,3.9962,0,0,0,30,6ZM26,8a2,2,0,1,1,2-2A2.0023,2.0023,0,0,1,26,8Z" transform="translate(0 0)"/><path d="M19,25H9.8579A3.9945,3.9945,0,0,0,7,22.1421V13H5v9.1421A3.9915,3.9915,0,1,0,9.8579,27H19ZM6,28a2,2,0,1,1,2-2A2.0023,2.0023,0,0,1,6,28Z" transform="translate(0 0)"/></svg>