• add cdn links for reactjs in index.html
• place empty div
  in index.html
• create app.jsx under src directory to update the data in above mentioned div tag
• It doesn't work as expected hence we need to follow below steps
  • install nvm
    • update path for nvm from bashrc to zshrc
  • install node.js and npm via nvm
  • exectue below command in application root directory
    • npm init -y
      • this creates package.json
    • npm install babel-cli@6 babel-preset-react-app@3
      • this is required to convert next gen javascript syntax to convert into old syntax which is supported by all browsers.
• Run npx babel command
  • npx babel --watch src --out-dir . --presets react-app/prod
    • this creates app.js (converted version of app.jsx in src directory) in root directory.
• Include app.js in index.html