feat : init Central project — Symfony 8 + Nuxt 4 + Docker starter

Same architecture as Lesstime: API Platform 4, JWT auth, @malio/layer-ui,
PostgreSQL 16, Docker Compose (ports 8083/3003/5436), dark mode theme.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/package.json

@@ -0,0 +1,25 @@
+{
+    "name": "nuxt-app",
+    "type": "module",
+    "private": true,
+    "scripts": {
+        "build": "nuxt build",
+        "dev": "nuxt dev",
+        "generate": "nuxt generate",
+        "preview": "nuxt preview",
+        "postinstall": "nuxt prepare",
+        "build:dist": "nuxt generate && rm -rf dist && cp -R .output/public dist"
+    },
+    "dependencies": {
+        "@malio/layer-ui": "^1.2.0",
+        "@nuxt/icon": "^2.2.1",
+        "@nuxtjs/i18n": "^10.2.3",
+        "@nuxtjs/tailwindcss": "^6.14.0",
+        "@pinia/nuxt": "^0.11.3",
+        "nuxt": "^4.3.1",
+        "nuxt-toast": "^1.4.0",
+        "pinia": "^3.0.4",
+        "vue": "^3.5.29",
+        "vue-router": "^4.6.4"
+    }
+}