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/hashicorp--terraform.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 d="M10,15.3599c-.0552,0-.1104-.0127-.1611-.0381L1.8389,11.3218c-.1221-.0605-.1987-.1855-.1987-.3218V2c0-.125.0645-.2407.1704-.3062.1064-.0654.2393-.0718.3506-.0156l8,4c.1221.0605.1987.1855.1987.3218v9c0,.125-.0645.2407-.1704.3062-.0581.0356-.1235.0537-.1895.0537ZM2.3599,10.7773l7.2803,3.6401V6.2227L2.3599,2.5825v8.1948ZM22,20.3604c-.0654,0-.1318-.0186-.1895-.0537-.1055-.0664-.1709-.1816-.1709-.3066v-9c0-.1362.0771-.2612.1992-.3218l8-4c.1113-.0557.2451-.0503.3506.0156.1055.0654.1709.1812.1709.3062v9c0,.1362-.0771.2612-.1992.3218l-8,4.0005c-.0508.0254-.1064.0381-.1611.0381ZM22.3604,11.2227v8.1953l7.2793-3.6406V7.5825l-7.2793,3.6401ZM20,20.3604c-.0547,0-.1104-.0127-.1611-.0381l-8-4.0005c-.1221-.0605-.1987-.1855-.1987-.3218V7c0-.125.0645-.2407.1704-.3062.1064-.0659.2397-.0713.3506-.0156l8,4c.1221.0605.1992.1855.1992.3218v9c0,.125-.0654.2402-.1709.3066-.0576.0352-.124.0537-.1895.0537ZM12.3599,15.7773l7.2798,3.6406v-8.1953l-7.2798-3.6401v8.1948ZM20,31.1514c-.0547,0-.1104-.0127-.1611-.0381l-8-4c-.1221-.0615-.1987-.1855-.1987-.3223v-8.791c0-.125.0645-.2402.1704-.3066.1064-.0645.2397-.0723.3506-.0156l8,4c.1221.0615.1992.1855.1992.3223v8.791c0,.125-.0654.2402-.1709.3066-.0576.0352-.124.0537-.1895.0537ZM12.3599,26.5684l7.2798,3.6406v-7.9863l-7.2798-3.6406v7.9863Z"/>
+  <rect id="Transparent_Rectangle" data-name="Transparent Rectangle" class="cls-1" width="32" height="32"/>
+</svg>