sum changes

package.json

@@ -6,7 +6,8 @@
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
     "start": "nodemon server.js --exec babel-node --presets babel-preset-env",
-    "lint": "eslint src/js"
+    "lint": "eslint src/js",
+    "build": "react-scripts build"
   },
   "repository": {
     "type": "git",
@@ -30,6 +31,23 @@
     "babel-loader": "^9.1.2",
     "babel-preset-env": "^1.7.0",
     "body-parser": "^1.20.1",
-    "express": "^4.18.2"
+    "express": "^4.18.2",
+    "react": "^18.2.0",
+    "react-scripts": "^5.0.1"
+  },
+  "devDependencies": {
+    "webpack-cli": "^5.0.1"
+  },
+  "browserslist": {
+    "production": [
+      ">0.2%",
+      "not dead",
+      "not op_mini all"
+    ],
+    "development": [
+      "last 1 chrome version",
+      "last 1 firefox version",
+      "last 1 safari version"
+    ]
   }
 }