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/renew-alt.svg

@@ -0,0 +1 @@
+<svg id="Layer_1" data-name="Layer 1" width="32" height="32" viewBox="0 0 32 32"> <path id="loan--cycle" d="M19.707,29.707l-1.4141-1.4141,3.293-3.293H2V8h2v15h17.5859l-3.293-3.293,1.4141-1.4141,5.707,5.707-5.707,5.707ZM30,24h-2v-15H10.4141l3.293,3.293-1.4141,1.4141-5.707-5.707,5.707-5.707,1.4141,1.4141-3.293,3.293h19.5859v17Z"/> </svg>