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-pictograms/cricket--helmet.svg

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 32 32">
+  <defs>
+    <style>
+      .cls-1 {
+        fill: none;
+      }
+    </style>
+  </defs>
+  <path id="cricket--helmet" d="M15,12.4995c0,.2761-.2239.5-.5.5s-.5-.2239-.5-.5.2239-.5.5-.5.5.2239.5.5ZM6.5,11.9995c-.2761,0-.5.2239-.5.5s.2239.5.5.5.5-.2239.5-.5-.2239-.5-.5-.5ZM25.21,30.4482l4.0742-5.2266c.0303-.04.0527-.0859.0654-.1348l1-4c.0264-.1074.002-.2207-.0654-.3086-.0684-.0869-.1729-.1387-.2842-.1387h-11.7627l-2.6909-6.2798h15.4536c.1992,0,.3604-.1611.3604-.3599v-2c0-.165-.1123-.3091-.2734-.3491l-3.7705-.9429C26.2451,4.6753,20.9258.6401,14,.6401,6.6333.6401.6401,6.6333.6401,14c0,.1987.1611.3599.3599.3599h5.7627l2.9155,6.8013,2.6606,5.3213c.2583.5166.6958.9199,1.2314,1.1338l8.8994,3.5713c.2822.1133.5781.168.8721.168.7139,0,1.4121-.3232,1.8682-.9072ZM24.1729,25.3604h4.0898l-3.6211,4.6445c-.4463.5752-1.2305.7871-1.9043.5146l-2.0381-.8184,3.4736-4.3408ZM23.251,25.3604l-3.25,4.0605-6.1626-2.4727c-.3726-.1494-.6763-.4287-.856-.7881l-.3999-.7998h10.6685ZM25.2812,21.3604h4.2578l-.8203,3.2793h-4.2578l.8203-3.2793ZM10.582,21.3604h13.957l-.8203,3.2793h-11.4966l-1.6401-3.2793ZM8.8315,17.3594h7.2163l1.4062,3.2803h-7.2168l-1.4058-3.2803ZM7.5464,14.3599h7.2163l.9766,2.2793h-7.2163l-.9766-2.2793ZM16.3599,10.9995c0-.1987-.1611-.3599-.3599-.3599H5c-.1987,0-.3599.1611-.3599.3599v2.6406H1.3652C1.5562,6.8359,7.1509,1.3599,14,1.3599c6.6475,0,11.7285,3.8965,12.6445,9.6963.0225.1426.1279.2583.2686.293l3.7266.9321v1.3589h-14.2798v-2.6406ZM5.3599,11.3594h10.2803v2.2808H5.3599v-2.2808Z"/>
+  <rect id="Transparent_Rectangle" data-name="Transparent Rectangle" class="cls-1" width="32" height="32"/>
+</svg>