add nixpacks config and update dependencies

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

nixpacks.toml

@@ -0,0 +1,5 @@
+[phases.setup]
+nixPkgs = ["nodejs_22", "pnpm"]
+
+[phases.build]
+cmds = ["pnpm build"]

package.json

@@ -10,17 +10,17 @@
     "test": "vitest"
   },
   "dependencies": {
-    "@vueuse/core": "^9.13.0",
-    "luxon": "^3.3.0",
-    "vue": "^3.2.45",
+    "@vueuse/core": "^14.2.1",
+    "luxon": "^3.7.2",
+    "vue": "^3.5.30",
     "vue-router": "4"
   },
   "devDependencies": {
-    "@types/luxon": "^3.2.0",
-    "@vitejs/plugin-vue": "^4.0.0",
-    "typescript": "^4.9.3",
-    "vite": "^4.1.0",
-    "vitest": "^0.29.2",
-    "vue-tsc": "^1.0.24"
+    "@types/luxon": "^3.7.1",
+    "@vitejs/plugin-vue": "^6.0.5",
+    "typescript": "^5.9.3",
+    "vite": "^8.0.0",
+    "vitest": "^4.1.0",
+    "vue-tsc": "^3.2.5"
   }
 }