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/audio-console.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path d="M28,14H27V2H25V14H24a2.0019,2.0019,0,0,0-2,2v2a2.0023,2.0023,0,0,0,2,2h1V30h2V20h1a2.0027,2.0027,0,0,0,2-2V16A2.0023,2.0023,0,0,0,28,14Zm0,4H24V16h4Z" transform="translate(0 0.0049)"/> <path d="M18,6H17V2H15V6H14a2.0019,2.0019,0,0,0-2,2v2a2.0019,2.0019,0,0,0,2,2h1V30h2V12h1a2.002,2.002,0,0,0,2-2V8A2.002,2.002,0,0,0,18,6Zm0,4H14V8h4Z" transform="translate(0 0.0049)"/> <path d="M8,20H7V2H5V20H4a2.0023,2.0023,0,0,0-2,2v2a2.0023,2.0023,0,0,0,2,2H5v4H7V26H8a2.0023,2.0023,0,0,0,2-2V22A2.0023,2.0023,0,0,0,8,20Zm0,4H4V22H8Z" transform="translate(0 0.0049)"/> </svg>