minor changes

Author: NikhilP99

.gitignore

@@ -17,6 +17,7 @@
 .env.development.local
 .env.test.local
 .env.production.local
+yarn.lock
 
 npm-debug.log*
 yarn-debug.log*

package.json

@@ -12,7 +12,9 @@
     "socket.io-client": "^2.2.0"
   },
   "scripts": {
-    "start": "react-scripts start",
+    "client": "react-scripts start",
+    "server": "nodemon server/server.js",
+    "start": "concurrently 'npm run client' 'npm run server'",
     "build": "react-scripts build",
     "test": "react-scripts test",
     "eject": "react-scripts eject"