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/direction-bear-right-01.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <title>direction--bear-right</title> <path d="M12,4V6h6.5859L12.05,12.5356a6.954,6.954,0,0,0-2.05,4.95V28h2V17.4854A4.9683,4.9683,0,0,1,13.4644,13.95L20,7.4141V14h2V4Z"/> </svg>