* Allow user invitations
* Restyle inviting members
* Remove annoying comment
* Add page for accepting an invitation
* Send invitation email with Brevo
* Prevent admins from removing personal project users
* Mark access ceontrol for cancelProjectInvitation
* Make RadioGroup controlled
* Shorten form helper text
* Use nodemailer to send emails
* Update .env.example
Auth logic isn't shared between the clients anyway, so co-locating them is confusing since you can't use the same clients to call both. This also makes the codegen clients less verbose.
We'll probably need a concept of organizations at some point in the future, but in practice the way we're using these in the codebase right now is as a project, so this renames it to that to avoid confusion.
