chore(users) adds User model and migration to skeleton
chore(users): adds password column to Users
chore(specs): creates tests for Users
chore(specs): User should be able to return full name
feature(mailer): checks for expired samples and sends email to users

had to call method in rails console. still not configured to send automatically
feature(mailer): adds setup mail file for sending email
feature(mailers): sends email from the terminal

needs to be automated and email needs to only include expired samples