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/bin--compost.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="bin--compost" d="M26,31.36H6c-.199,0-.36-.161-.36-.36V5.36h-3.64v-.72h8.64V1c0-.199.161-.36.36-.36h10c.199,0,.36.161.36.36v3.64h8.64v.72h-3.64v25.64c0,.199-.161.36-.36.36ZM6.36,30.64h19.28V5.36H6.36v25.28ZM11.36,4.64h9.28V1.36h-9.28v3.28ZM22,25.36h-12v-.72h5.64v-4.28h-1.64c-2.404,0-4.36-1.956-4.36-4.36v-2c0-.199.161-.36.36-.36h2c1.529,0,2.877.792,3.656,1.986.19-2.23,2.066-3.986,4.344-3.986h2c.199,0,.36.161.36.36v2c0,2.404-1.956,4.36-4.36,4.36h-1.64v6.279h5.64v.721ZM10.36,14.36v1.64c0,2.007,1.633,3.64,3.64,3.64h1.131l-2.385-2.385.509-.509,2.386,2.385v-1.131c0-2.007-1.633-3.64-3.64-3.64h-1.641ZM16.869,17.64h1.131c2.007,0,3.64-1.632,3.64-3.64v-1.64h-1.64c-2.007,0-3.64,1.633-3.64,3.64v1.131l2.385-2.385.51.509-2.386,2.385Z"/>
+  <rect id="_Transparent_Rectangle" data-name=" Transparent Rectangle" class="cls-1" width="32" height="32"/>
+</svg>