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/window-preset.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <rect x="15" y="6" width="2" height="2"/> <rect x="24" y="15" width="2" height="2"/> <rect x="15" y="24" width="2" height="2"/> <rect x="6" y="15" width="2" height="2"/> <rect x="8.5858" y="8.5858" width="2" height="2" transform="translate(-3.9706 9.5858) rotate(-45)"/> <rect x="21.4142" y="8.5858" width="2" height="2" transform="translate(-0.2132 18.6569) rotate(-45)"/> <rect x="21.4142" y="21.4142" width="2" height="2" transform="translate(-9.2843 22.4142) rotate(-45)"/> <rect x="8.5858" y="21.4142" width="2" height="2" transform="translate(-13.0416 13.3431) rotate(-45)"/> <path d="M16,22a6,6,0,1,0-6-6A6,6,0,0,0,16,22Zm0-10v8a4,4,0,0,1,0-8Z"/> <path class="cls-1" d="M28,30H4a2.0021,2.0021,0,0,1-2-2V4A2.0021,2.0021,0,0,1,4,2H28a2.0021,2.0021,0,0,1,2,2V28A2.0021,2.0021,0,0,1,28,30ZM4,4V28H28V4Z"/> </svg>