Add Email Account Signup

[jacobvenable]

E.g. signup with any email and password

Checklist

• [ ] Database/Schema changes to handle accounts set up with an email and password
• [ ] Encrypt and decrypt passwords (no storing raw text)
• [ ] Find or write an email service provider so that they must confirm their email
• [ ] Server UI changes to handle this new signup/login

Questions

• Email service?
• expiration considerations on signup?