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/tuning.svg

@@ -0,0 +1,2 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path d="m24,30v-4.1c2.3-.5,4-2.5,4-4.9,0-2.4-1.7-4.4-4-4.9V2s-2,0-2,0v14.1c-2.3.5-4,2.5-4,4.9,0,2.4,1.7,4.4,4,4.9v4.1s2,0,2,0Zm-4-9c0-1.7,1.3-3,3-3s3,1.3,3,3c0,1.7-1.3,3-3,3s-3-1.3-3-3Z"/> <path d="m8,2v4.1c-2.3.5-4,2.5-4,4.9,0,2.4,1.7,4.4,4,4.9v14.1s2,0,2,0v-14.1c2.3-.5,4-2.5,4-4.9,0-2.4-1.7-4.4-4-4.9V2s-2,0-2,0Zm4,9c0,1.7-1.3,3-3,3s-3-1.3-3-3,1.3-3,3-3,3,1.3,3,3Z"/> <g id="_Transparent_Rectangle_" data-name="&amp;lt;Transparent Rectangle&amp;gt;"> <rect class="cls-1" width="32" height="32"/> </g>
+</svg>