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/mouse.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="mouse" d="M16,29.3604c-4.5317,0-8.3599-3.8291-8.3599-8.3604v-10c0-4.5317,3.8281-8.3599,8.3599-8.3599s8.3604,3.8281,8.3604,8.3599v10c0,4.5312-3.8291,8.3604-8.3604,8.3604ZM15.6401,3.3687c-3.9824.1958-7.2803,3.6108-7.2803,7.6313v10c0,4.1416,3.499,7.6396,7.6401,7.6396s7.6396-3.498,7.6396-7.6396v-10c0-4.0205-3.2979-7.4355-7.2798-7.6313v3.3091c1.0005.2261,1.0005,1.4072,1.0005,1.8223v3c0,.415,0,1.5962-1.0005,1.8223v3.6777h-.7197v-3.6777c-1-.2261-1-1.4072-1-1.8223v-3c0-.415,0-1.5962,1-1.8223v-3.3091ZM16,7.3599c-.3374,0-.6401.0874-.6401,1.1401v3c0,1.0527.3027,1.1401.6401,1.1401s.6401-.0874.6401-1.1401v-3c0-1.0527-.3027-1.1401-.6401-1.1401Z"/>
+  <rect id="Transparent_Rectangle" data-name="Transparent Rectangle" class="cls-1" width="32" height="32"/>
+</svg>