chore: scaffold Astro Starlight project

- Astro 6.3 + Starlight 0.39
- TypeScript strict
- Sitemap integration
- Inter + JetBrains Mono variable fonts
- Custom .gitignore (no AI artifacts; no .env)
- .editorconfig

package.json

@@ -0,0 +1,24 @@
+{
+  "name": "kb-anhonesthost",
+  "type": "module",
+  "version": "0.0.1",
+  "scripts": {
+    "dev": "astro dev",
+    "start": "astro dev",
+    "build": "astro build",
+    "preview": "astro preview",
+    "astro": "astro"
+  },
+  "dependencies": {
+    "@astrojs/sitemap": "^3.7.2",
+    "@astrojs/starlight": "^0.39.2",
+    "@fontsource-variable/inter": "^5.2.8",
+    "@fontsource-variable/jetbrains-mono": "^5.2.8",
+    "astro": "^6.3.1",
+    "sharp": "^0.34.5"
+  },
+  "devDependencies": {
+    "@astrojs/check": "^0.9.9",
+    "typescript": "^6.0.3"
+  }
+}