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/phone-voice-filled.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path d="M24,13H22a3.0033,3.0033,0,0,0-3-3V8A5.0057,5.0057,0,0,1,24,13Z" transform="translate(0)"/> <path d="M28,13H26a7.0078,7.0078,0,0,0-7-7V4A9.01,9.01,0,0,1,28,13Z" transform="translate(0)"/> <path d="M20.3333,21.4823l2.24-2.24a2.1667,2.1667,0,0,1,2.3368-.48l2.7281,1.0913A2.1666,2.1666,0,0,1,29,21.8659v4.9613a2.1668,2.1668,0,0,1-2.2843,2.1686C7.5938,27.8054,3.7321,11.6114,3.0146,5.4079A2.162,2.162,0,0,1,5.1692,3H10.042a2.1666,2.1666,0,0,1,2.0117,1.362L13.145,7.09a2.1666,2.1666,0,0,1-.48,2.3367l-2.24,2.24S11.6667,20.399,20.3333,21.4823Z" transform="translate(0)"/> </svg>