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/smoothing.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"><title>smoothing</title><circle cx="16" cy="16" r="5"/><path class="cls-1" d="M7.7,4.7a14.7029,14.7029,0,0,0-3,3.1L6.3,9A13.2634,13.2634,0,0,1,8.9,6.3Z"/><path class="cls-1" d="M4.6,12.3l-1.9-.6A12.5111,12.5111,0,0,0,2,16H4A11.4756,11.4756,0,0,1,4.6,12.3Z"/><path class="cls-1" d="M2.7,20.4a14.4029,14.4029,0,0,0,2,3.9l1.6-1.2a12.8867,12.8867,0,0,1-1.7-3.3Z"/><path class="cls-1" d="M7.8,27.3a14.4029,14.4029,0,0,0,3.9,2l.6-1.9A12.8867,12.8867,0,0,1,9,25.7Z"/><path class="cls-1" d="M11.7,2.7l.6,1.9A11.4756,11.4756,0,0,1,16,4V2A12.5111,12.5111,0,0,0,11.7,2.7Z"/><path class="cls-1" d="M24.2,27.3a15.18,15.18,0,0,0,3.1-3.1L25.7,23A11.526,11.526,0,0,1,23,25.7Z"/><path class="cls-1" d="M27.4,19.7l1.9.6A15.4747,15.4747,0,0,0,30,16H28A11.4756,11.4756,0,0,1,27.4,19.7Z"/><path class="cls-1" d="M29.2,11.6a14.4029,14.4029,0,0,0-2-3.9L25.6,8.9a12.8867,12.8867,0,0,1,1.7,3.3Z"/><path class="cls-1" d="M24.1,4.6a14.4029,14.4029,0,0,0-3.9-2l-.6,1.9a12.8867,12.8867,0,0,1,3.3,1.7Z"/><path class="cls-1" d="M20.3,29.3l-.6-1.9A11.4756,11.4756,0,0,1,16,28v2A21.4206,21.4206,0,0,0,20.3,29.3Z"/></svg>