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/requirement-usage.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path class="cls-2" d="m17.1788,17.4959c0-2.8367,1.5301-4.6764,4.1606-4.6764,2.8025,0,4.0919,2.0631,4.0919,4.5217v.7221h-5.9658v.2235c0,1.2894.7392,2.1663,2.1834,2.1663,1.0833,0,1.7365-.5158,2.2867-1.2207l1.1863,1.3239c-.7392,1.0143-2.0459,1.6505-3.7137,1.6505-2.6475,0-4.2293-1.8397-4.2293-4.7109Zm2.2867-.9284v.1377h3.6791v-.1548c0-1.2379-.6362-2.0803-1.7709-2.0803-1.152,0-1.9083.8597-1.9083,2.0975Z"/> <path class="cls-2" d="m9.2694,22h-2.2693v-12h5.4154c2.1835,0,3.5416,1.4441,3.5416,3.7135,0,1.6504-.7565,2.9054-2.2349,3.4039l2.4584,4.8826h-2.5271l-2.2349-4.6247h-2.1492v4.6247Zm3.1215-6.533c.8769,0,1.4097-.4813,1.4097-1.3581v-.7909c0-.8769-.5328-1.341-1.4097-1.341h-2.9227v3.4899h2.9227Z"/> <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>