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/service-levels.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <circle cx="7" cy="19" r="1"/> <circle cx="16" cy="11" r="1"/> <circle cx="25" cy="19" r="1"/> <circle cx="10" cy="14" r="1"/> <path d="m30,20h-2c0-1.2616-.1946-2.5042-.5786-3.6929l1.9033-.6146c.448,1.3876.6753,2.8369.6753,4.3075Z"/> <path d="m29.8508,8.9775l-2.4368,2.4365-.0005-.0005c-.3621.3623-.8621.5864-1.4136.5864-1.103,0-2-.897-2-2,0-.5518.2241-1.0518.5864-1.4136l-.0005-.0005,2.4368-2.4365c-.3284-.0879-.667-.1494-1.0227-.1494-2.2056,0-4,1.7944-4,4,0,.7393.2153,1.4238.5669,2.019l-4.5479,4.5479c-.595-.3516-1.2795-.5669-2.019-.5669-2.2056,0-4,1.7944-4,4s1.7944,4,4,4,4-1.7944,4-4c0-.7397-.2153-1.4243-.5669-2.019l4.5479-4.5479c.595.3516,1.2795.5669,2.019.5669,2.2056,0,4-1.7944,4-4,0-.3555-.0615-.6943-.1492-1.0225Zm-13.8508,13.0225c-1.103,0-2-.8975-2-2s.897-2,2-2,2,.8975,2,2-.897,2-2,2Z"/> <path d="m4,20h-2c0-7.7196,6.2803-14,14-14,1.4707,0,2.9199.2272,4.3074.6754l-.6147,1.9031c-1.1885-.3838-2.4309-.5785-3.6926-.5785-6.6167,0-12,5.3832-12,12Z"/> </svg>