feat: Astro starter kit minimal et élégant

- Design minimal monochrome (fond blanc, typo Inter)
- Navigation avec Navbar (Home/About)
- Pages index et about
- Configuration Docker optimisée avec nginx
- SEO et performance optimisés
- Prêt pour la production

package.json

@@ -0,0 +1,21 @@
+{
+  "name": "test",
+  "type": "module",
+  "version": "0.0.1",
+  "scripts": {
+    "dev": "astro dev",
+    "build": "astro build",
+    "preview": "astro preview",
+    "astro": "astro"
+  },
+  "dependencies": {
+    "@astrojs/react": "^4.4.2",
+    "@tailwindcss/vite": "^4.1.17",
+    "@types/react": "^19.2.7",
+    "@types/react-dom": "^19.2.3",
+    "astro": "^5.16.4",
+    "react": "^19.2.1",
+    "react-dom": "^19.2.1",
+    "tailwindcss": "^4.1.17"
+  }
+}