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/search-locate.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path d="M30,28.5859l-4.6885-4.6884a8.028,8.028,0,1,0-1.414,1.414L28.5859,30ZM19,25a6,6,0,1,1,6-6A6.0066,6.0066,0,0,1,19,25Z"/> <rect x="2" y="12" width="8" height="2"/> <rect x="2" y="2" width="16" height="2"/> <rect x="2" y="7" width="16" height="2"/> </svg>