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/star-filled.svg

@@ -0,0 +1 @@
+<svg id="icon" viewBox="0 0 32 32"><title>star--filled</title><path d="M16,2l-4.55,9.22L1.28,12.69l7.36,7.18L6.9,30,16,25.22,25.1,30,23.36,19.87l7.36-7.17L20.55,11.22Z"/></svg>