Move TypeScript dependencies to production for DigitalOcean build

frontend/package.json

@@ -12,9 +12,7 @@
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-router-dom": "^6.21.1",
-    "axios": "^1.6.0"
+    "axios": "^1.6.0",
-  },
-  "devDependencies": {
     "@types/react": "^18.2.43",
     "@types/react-dom": "^18.2.17",
     "@vitejs/plugin-react": "^4.2.1",