Set higher maximum request payload (5mb)

server.js

@@ -20,7 +20,7 @@ let session = expressSession({
 })
 
 app.use(compression())
-app.use(bodyParser.json())
+app.use(bodyParser.json({ limit: '5mb' }))
 app.use(bodyParser.urlencoded({ extended: true }))
 app.use(session)