[#69485838] Fixed styling on the registration page.

Signed-off-by: Gus King <gusssk@gmail.com>
[#69485840] Implemented database to store user ID, email, and hashed password.

* Added bcrypt to hash plain text password
* User is able to logout
* User sees a Welcome message if registration is complete.

Signed-off-by: Gus King <gusssk@gmail.com>