text: const passport = require('passport');
  const GitHubStrategy = require('passport-github2').Strategy;
  
  passport.serializeUser((user, done) => {
      done(null, user);
  })
  
  passport.deserializeUser((user, done) => {
      done(null, user);
  })
  
  // Use the GitHub Strategy for Passport
  passport.use(new GitHubStrategy({
      clientID: process.env.GITHUB_CLIENT_ID,
      clientSecret: process.env.GITHUB_CLIENT_SECRET,
      callbackURL: 'https://testtube69.herokuapp.com/auth/github/callback'
  }, (accessToken, refreshToken, profile, done) => {
      return done(null, {profile: profile, token: accessToken});
  }))