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/network-1.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"><title>network--1</title><path d="M16,20a4,4,0,1,1,4-4A4.0045,4.0045,0,0,1,16,20Zm0-6a2,2,0,1,0,2,2A2.0021,2.0021,0,0,0,16,14Z"/><path d="M5,20a4,4,0,1,1,4-4A4.0045,4.0045,0,0,1,5,20Zm0-6a2,2,0,1,0,2,2A2.0023,2.0023,0,0,0,5,14Z"/><path d="M10,31a4,4,0,1,1,4-4A4.0045,4.0045,0,0,1,10,31Zm0-6a2,2,0,1,0,2,2A2.0021,2.0021,0,0,0,10,25Z"/><path d="M22,31a4,4,0,1,1,4-4A4.0045,4.0045,0,0,1,22,31Zm0-6a2,2,0,1,0,2,2A2.0021,2.0021,0,0,0,22,25Z"/><path d="M27,20a4,4,0,1,1,4-4A4.0045,4.0045,0,0,1,27,20Zm0-6a2,2,0,1,0,2,2A2.0021,2.0021,0,0,0,27,14Z"/><path d="M22,9a4,4,0,1,1,4-4A4.0045,4.0045,0,0,1,22,9Zm0-6a2,2,0,1,0,2,2A2.0021,2.0021,0,0,0,22,3Z"/><path d="M10,9a4,4,0,1,1,4-4A4.0045,4.0045,0,0,1,10,9Zm0-6a2,2,0,1,0,2,2A2.0021,2.0021,0,0,0,10,3Z"/></svg>