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/accessibility-color-filled.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"><title>accessibility--color--filled</title><path d="M16,10a8.5975,8.5975,0,0,0-7.9648,6A8.5975,8.5975,0,0,0,16,22a8.5975,8.5975,0,0,0,7.9648-6A8.5975,8.5975,0,0,0,16,10Zm0,10a4,4,0,1,1,4-4A4.0045,4.0045,0,0,1,16,20Z"/><path d="M16,2A14,14,0,1,0,30,16,14,14,0,0,0,16,2Zm0,22a10.6543,10.6543,0,0,1-9.97-7.7578L5.9692,16l.0606-.2422A10.6543,10.6543,0,0,1,16,8a10.6543,10.6543,0,0,1,9.97,7.7578L26.0308,16l-.0606.2422A10.6543,10.6543,0,0,1,16,24Z"/><circle cx="16" cy="16" r="2"/><path id="inner-path_2" data-name="inner-path 2" class="cls-1" d="M16,20a4,4,0,1,1,4-4A4.0045,4.0045,0,0,1,16,20Zm0-6a2,2,0,1,0,2,2A2.0021,2.0021,0,0,0,16,14Z"/><path id="inner-path_1" data-name="inner-path 1" class="cls-1" d="M16,24a10.6547,10.6547,0,0,1-9.97-7.7576L5.9692,16l.0606-.2424A10.6547,10.6547,0,0,1,16,8a10.6547,10.6547,0,0,1,9.97,7.7576L26.0308,16l-.0606.2424A10.6547,10.6547,0,0,1,16,24ZM8.0352,16A8.5975,8.5975,0,0,0,16,22a8.5975,8.5975,0,0,0,7.9648-6A8.5975,8.5975,0,0,0,16,10,8.5975,8.5975,0,0,0,8.0352,16Z"/></svg>