Integrate Google SSO

[mmislam101]

• Setup dotenv so that you can console.log environment keys from a .env file.
  • https://www.npmjs.com/package/dotenv-webpack
  • https://medium.com/@thejasonfile/using-dotenv-package-to-create-environment-variables-33da4ac4ea8f
• Get GoogleSSO key from @mmislam101
• Setup google authentication and get back an auth token
  • https://www.npmjs.com/package/react-google-login
• Move the counter to the Home component
• Switch the Login component for the Home component
  • https://reactjs.org/docs/conditional-rendering.html