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/triangle-right-outline.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path class="cls-2" d="m4.4883,29.8755l23.9868-13.0195c.3438-.1865.5249-.5212.5249-.856,0-.3345-.1812-.6689-.5249-.8555L4.4883,2.125c-.1582-.0862-.3257-.1255-.4883-.125-.5229.0017-1,.4114-1,.9805v26.0393c0,.5691.4771.9788,1,.9802.1626.0005.3301-.0386.4883-.1245Zm.5117-25.1985l20.8677,11.323L5,27.323V4.677Z"/> </svg>