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/HD-filled.svg

@@ -0,0 +1 @@
+<svg id="icon" viewBox="0 0 32 32"><title>HD--filled</title><path d="M22,13H20v6h2a1,1,0,0,0,1-1V14A1,1,0,0,0,22,13Z" transform="translate(0 0)"/><path d="M28,6H4A2,2,0,0,0,2,8V24a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V8A2,2,0,0,0,28,6ZM15,21H13V17H10v4H8V11h2v4h3V11h2Zm10-3a3,3,0,0,1-3,3H18V11h4a3,3,0,0,1,3,3Z" transform="translate(0 0)"/></svg>