added user has_secure_password
changed user/new view
changed user_params definitin in users_controller
generated sessions controller and altered routes.rb
create _form for sign-in (new session) with form_tag
added user sign-in with secure password, redirect to user show page
added 'logged in sucessfully notice'
added current_user and require_login to application_controller
added scaffold to existing model Event
changed event_params and create in events_controller
added signout route, destroy to sessions controller, and only: to :require_logged_in in the events_controller
changed signout route from GET to DELETE
added debugger to application layout
added validations to User.rb
added email uniqueness index to users table in databse
added minimum password length validation to user.rb and password_confirmation field to user views _form; password confirmation validation from bcrypt not working