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/in-progress-warning.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path d="M27.38,28H20.6178L24,21.2358ZM24,18a1,1,0,0,0-.8947.5527l-5,10A1.0005,1.0005,0,0,0,19,30H29a1,1,0,0,0,.9214-1.3892L24.8946,18.5527A1,1,0,0,0,24,18Z" transform="translate(0 0)"/> <path d="M18.746,22.7993A9.999,9.999,0,1,1,14,4V14l6.0971,6.0972,1.22-2.44A2.9849,2.9849,0,0,1,24,16h1.8193A11.993,11.993,0,1,0,14,26a11.9337,11.9337,0,0,0,3.3939-.4966Z" transform="translate(0 0)"/> </svg>