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--sanitary.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--sanitary" d="M26,31.3604H6.002c-.1987,0-.3599-.1611-.3599-.3604V5.3599h-3.6421v-.7197h8.6426V1c0-.1987.1611-.3599.3599-.3599h9.9976c.1992,0,.3604.1611.3604.3599v3.6401h8.6396v.7197h-3.6396v25.6401c0,.1992-.1611.3604-.3604.3604ZM6.3618,30.6396h19.2778V5.3599H6.3618v25.2798ZM11.3623,4.6401h9.2773V1.3599h-9.2773v3.2803ZM18,24.3604h-4c-.1987,0-.3599-.1611-.3599-.3604v-3.6396h-3.6401c-.1987,0-.3599-.1611-.3599-.3604v-4c0-.1987.1611-.3599.3599-.3599h3.6401v-3.6401c0-.1987.1611-.3599.3599-.3599h4c.1992,0,.3604.1611.3604.3599v3.6401h3.6396c.1992,0,.3604.1611.3604.3599v4c0,.1992-.1611.3604-.3604.3604h-3.6396v3.6396c0,.1992-.1611.3604-.3604.3604ZM14.3599,23.6396h3.2798v-3.6396c0-.1992.1611-.3604.3604-.3604h3.6396v-3.2798h-3.6396c-.1992,0-.3604-.1611-.3604-.3599v-3.6401h-3.2798v3.6401c0,.1987-.1611.3599-.3599.3599h-3.6401v3.2798h3.6401c.1987,0,.3599.1611.3599.3604v3.6396Z"/>
+  <rect id="Transparent_Rectangle" data-name="Transparent Rectangle" class="cls-1" width="32" height="32"/>
+</svg>