🎉 Init monorepo Nuxt 4 + Laravel 12 (Story 1.1)

Setup complet de l'infrastructure projet :
- Frontend Nuxt 4 (SSR, TypeScript, i18n, Pinia, TailwindCSS)
- Backend Laravel 12 API-only avec middleware X-API-Key et CORS
- Design tokens (sky-dark, sky-accent, sky-text) et polices (Merriweather, Inter)
- Documentation planning et implementation artifacts

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

api/package.json

@@ -0,0 +1,17 @@
+{
+    "$schema": "https://www.schemastore.org/package.json",
+    "private": true,
+    "type": "module",
+    "scripts": {
+        "build": "vite build",
+        "dev": "vite"
+    },
+    "devDependencies": {
+        "@tailwindcss/vite": "^4.0.0",
+        "axios": "^1.11.0",
+        "concurrently": "^9.0.1",
+        "laravel-vite-plugin": "^2.0.0",
+        "tailwindcss": "^4.0.0",
+        "vite": "^7.0.7"
+    }
+}