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/minimap-on.svg

@@ -0,0 +1,2 @@
+<svg id="icon" width="32" height="32" version="1.1" viewBox="0 0 32 32"> <!-- Generator: Adobe Illustrator 30.0.0, SVG Export Plug-In . SVG Version: 2.1.1 Build 123) --> <path d="M29.4,4.6c-.4-.4-.9-.6-1.4-.6H4c-.5,0-1,.2-1.4.6s-.6.9-.6,1.4v20c0,.5.2,1,.6,1.4s.9.6,1.4.6h5v-2h-5V6h24v6h2v-6c0-.5-.2-1-.6-1.4ZM14,15h14c1.1046,0,2,.8954,2,2v9c0,1.1046-.8954,2-2,2h-14c-1.1046,0-2-.8954-2-2v-9c0-1.1046.8954-2,2-2Z"/> <rect id="_x3C_Transparent_Rectangle_x3E_" class="st0" width="32" height="32"/>
+</svg>