How can I deploy my React app on ghpages

How can I deploy my React app on gh-pages?
i am trying to deploy my react app .. using gh-pages .. and after upload it .. i found white page .. i tried many solutions but nothing work .
this is the url :

https://mosherad.github.io/spreago-react/

and my json file contain
"homepage": "https://mosherad.github.io/spreago-react/",