feat : ajout config vitest/make/pre-commit/commit-msg + un exemple de test vitest

package.json

@@ -10,17 +10,22 @@
     "build": "nuxt build .playground",
     "generate": "nuxt generate .playground",
     "preview": "nuxt preview .playground",
-    "lint": "eslint ."
+    "lint": "eslint .",
+    "test": "vitest run"
   },
   "peerDependencies": {
     "nuxt": "^4.0.0"
   },
   "devDependencies": {
+    "@vitejs/plugin-vue": "^6.0.1",
+    "@vue/test-utils": "^2.4.6",
     "@nuxt/eslint": "latest",
     "@types/node": "^24.10.13",
     "eslint": "^10.0.0",
+    "jsdom": "^27.0.1",
     "nuxt": "^4.3.1",
     "typescript": "^5.9.3",
+    "vitest": "^3.2.4",
     "vue": "latest"
   },
   "dependencies": {