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/study-skip.svg

@@ -0,0 +1 @@
+<svg id="icon" viewBox="0 0 32 32"><title>watson-health--study--skip</title><path d="M22,9h5.2A11,11,0,0,0,7,15H5A13,13,0,0,1,28,6.7V3h2v8H22Z"/><path d="M16,12a3,3,0,1,1-3,3,2.95,2.95,0,0,1,3-3m0-2a5,5,0,1,0,5,5A5,5,0,0,0,16,10Z"/><path d="M23,30H21V27a3,3,0,0,0-3-3H14a3,3,0,0,0-3,3v3H9V27a5,5,0,0,1,5-5h4a5,5,0,0,1,5,5Z"/></svg>