GitHub source code - https://github.com/simonjsuh/Vue3-social-logins-google-twitter-github-youtube-tutorial-follow-along-source-code/tree/final-source-code
https://firebase.google.com/docs/auth/web/google-signin
https://firebase.google.com/docs/auth/web/twitter-login
https://firebase.google.com/docs/auth/web/github-auth
0:00 project intro and demo
3:19 installing vue.js, firebase, and Google sign-in and sign-out functions
21:14 implementing Twitter sign-in and sign-out
26:25 implementing Github sign-in and sign-out
