title: Issue with generated react build from react-scripts
body: <p>I created react project with react-scripts. After done some functionality, I tried to build the project. For this, I used npm run build command. When I run this command, I can able to generate build folder.</p>
  
  <p>Now, I moved build folder to my server and tried to execute. It's give me blank white screen and saying index.js not found.</p>
  
  <p>I am not sure, how to resolve this issue. Can you please help me. thanks.</p>