adding backup and data perstance accross devices

package.json

@@ -5,14 +5,20 @@
   "type": "module",
   "scripts": {
     "dev": "vite",
+    "dev:server": "node server/index.js",
+    "dev:full": "concurrently \"npm run dev:server\" \"npm run dev\"",
     "build": "vite build",
     "preview": "vite preview",
+    "start": "NODE_ENV=production node server/index.js",
     "test": "vitest",
     "test:run": "vitest run",
     "coverage": "vitest run --coverage"
   },
   "dependencies": {
+    "better-sqlite3": "^9.4.3",
+    "concurrently": "^8.2.2",
     "docx": "^9.7.0",
+    "express": "^4.19.2",
     "react": "^19.0.0",
     "react-dom": "^19.0.0"
   },
@@ -29,4 +35,4 @@
     "vite": "^5.4.1",
     "vitest": "^4.1.7"
   }
-}
+}