* Start from existing example
* Upgrade some dependencies
* Use dotenv
* Remove custom server
* Add serverless Firebase auth
* Add TODOs
* Update project name
* Fix build script
* Remove server middleware from client JS bundle
* Add logout functionality
* Redirect to auth page on logout
* Remove TODO
* Add comments about the cookie-session approach
* Remove the sessions folder
* Add comments for eslint
* Remove unused files
* Clarify comment
* Update README.md
* Rename variable for clarity
* Update README.md
* Change some comments
* Add more to gitignore
* Remove the bundle analyzer
* Move server-side auth user logic from _app.js to a HOC to support static HTML rendering
Co-authored-by: Joe Haddad <timer150@gmail.com>