Add Starlight documentation site structure

- Created comprehensive Diátaxis-based documentation
- 53 pages across Tutorials, How-to, Reference, and Explanation
- Custom branding with @astrojs/discovery logo
- Pagefind search integration
- Ready for content population

docs/package.json

@@ -0,0 +1,24 @@
+{
+  "name": "@astrojs/discovery-docs",
+  "type": "module",
+  "version": "1.0.0",
+  "description": "Documentation site for @astrojs/discovery integration",
+  "scripts": {
+    "dev": "astro dev",
+    "start": "astro dev",
+    "build": "astro build",
+    "preview": "astro preview",
+    "astro": "astro",
+    "check": "astro check"
+  },
+  "dependencies": {
+    "@astrojs/starlight": "^0.36.2",
+    "astro": "^5.6.1",
+    "sharp": "^0.34.2"
+  },
+  "author": {
+    "name": "Ryan Malloy",
+    "email": "ryan@supported.systems"
+  },
+  "license": "MIT"
+}