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/growth.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path d="M20,8v2h6.5859L18,18.5859,13.707,14.293a.9994.9994,0,0,0-1.414,0L2,24.5859,3.4141,26,13,16.4141l4.293,4.2929a.9994.9994,0,0,0,1.414,0L28,11.4141V18h2V8Z"/> </svg>