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/interactive-segmentation-cursor.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"><title>interactive-segmentation-cursor</title><path d="M29.4139,24,15.9989,10.5663a2.0473,2.0473,0,0,0-2.8281,0l-2.586,2.586a2.0023,2.0023,0,0,0,0,2.8283L23.9989,29.4145a2.0021,2.0021,0,0,0,2.8281,0l2.5869-2.5865a1.9993,1.9993,0,0,0,0-2.8283Zm-17.415-9.4335,2.5859-2.5859,3.5,3.5L15.498,18.0676l-3.5-3.5ZM25.413,28l-8.5009-8.5188,2.5867-2.587L28,25.4143Z"/><rect x="7.5858" y="18.5858" width="2.8284" height="2.8284" transform="translate(-11.5061 12.2218) rotate(-45)"/><rect x="18.5858" y="7.5858" width="2.8284" height="2.8284" transform="translate(-0.5061 16.7782) rotate(-45)"/><rect x="7.5858" y="7.5858" width="2.8284" height="2.8284" transform="translate(-3.7279 9) rotate(-45)"/><polygon points="11 2 2 2 2 11 4 11 4 4 11 4 11 2"/></svg>