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/map-boundary-vegetation.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path d="M28,16H18V14h5V10a2,2,0,0,1,2-2h1.5a1.5,1.5,0,0,0,.2837-2.9734l-.7109-.1355L25.9982,4.32a2.6322,2.6322,0,0,0-1.68-2.1823,2.5051,2.5051,0,0,0-3.0836,1.3042l-.3032.6472-.71-.0771a2.0185,2.0185,0,0,0-2.17,2.4343A2.0976,2.0976,0,0,0,20.1261,8H21v2h-.7817A4.1491,4.1491,0,0,1,16.012,6.3136a4.0047,4.0047,0,0,1,3.7414-4.306A4.5006,4.5006,0,0,1,27.8267,3.26a3.5051,3.5051,0,0,1,2.1422,3.7094A3.6283,3.6283,0,0,1,26.3172,10H25v4h3Z"/> <rect x="18" y="18" width="4" height="2"/> <polygon points="14 18 14 16 12 16 12 20 16 20 16 18 14 18"/> <rect x="12" y="10" width="2" height="4"/> <polygon points="17.885 30 11.819 26.142 4 27.989 4 4 14 4 14 8 12 8 12 6 6 6 6 25.461 12.181 24.001 18.115 27.776 22.818 26 26 26 26 20 24 20 24 18 28 18 28 28 23.182 28 17.885 30"/> </svg>