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/use-case-usage.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path class="cls-2" d="m22.0735,21.9922c1.7068,0,2.9407-.7773,3.5151-2.3325l-1.6561-.7942c-.3212.7942-.828,1.386-1.859,1.386-1.2002,0-1.8086-.8284-1.8086-2.062v-1.6057c0-1.2341.6084-2.0787,1.8086-2.0787.9294,0,1.4871.5409,1.6899,1.2845l1.7748-.7947c-.524-1.386-1.6903-2.2307-3.4647-2.2307-2.603,0-4.0735,1.7744-4.0735,4.5969,0,2.8394,1.4705,4.6311,4.0735,4.6311Z"/> <path class="cls-2" d="m11.5126,21.9922c3.3129,0,4.5468-1.572,4.5468-5.0369v-6.9631h-2.1973v7.2507c0,1.8422-.6423,2.772-2.3324,2.772s-2.3324-.9298-2.3324-2.772v-7.2507h-2.1973v6.9631c0,3.4648,1.2,5.0369,4.5126,5.0369Z"/> <path class="cls-2" d="m21,30h-10c-4.9626,0-9-4.0374-9-9v-10C2,6.0374,6.0374,2,11,2h10c4.9626,0,9,4.0374,9,9v10c0,4.9626-4.0374,9-9,9ZM11,4c-3.8599,0-7,3.1401-7,7v10c0,3.8599,3.1401,7,7,7h10c3.8599,0,7-3.1401,7-7v-10c0-3.8599-3.1401-7-7-7h-10Z"/> </svg>