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/arrange-horizontal.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <rect class="cls-2" x="2" y="3" width="28" height="2"/> <path class="cls-2" d="m13,21H5c-1.1028,0-2-.8972-2-2v-6c0-1.1028.8972-2,2-2h8c1.1028,0,2,.8972,2,2v6c0,1.1028-.8972,2-2,2ZM5,13v6h8v-6H5Z"/> <path class="cls-2" d="m27,21h-8c-1.1028,0-2-.8972-2-2v-6c0-1.1028.8972-2,2-2h8c1.1028,0,2,.8972,2,2v6c0,1.1028-.8972,2-2,2Zm-8-8v6h8v-6h-8Z"/> <rect class="cls-2" x="2" y="27" width="28" height="2"/> </svg>