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/face-satisfied-filled.svg

@@ -0,0 +1 @@
+<svg id="icon" viewBox="0 0 32 32"><title>face--satisfied--filled</title><path d="M16,2A14,14,0,1,0,30,16,14,14,0,0,0,16,2Zm-4.5,9A2.5,2.5,0,1,1,9,13.5,2.48,2.48,0,0,1,11.5,11ZM16,24a8,8,0,0,1-6.85-3.89l1.71-1a6,6,0,0,0,10.28,0l1.71,1A8,8,0,0,1,16,24Zm4.5-8A2.5,2.5,0,1,1,23,13.5,2.48,2.48,0,0,1,20.5,16Z"/></svg>