Questions Debbie

Questions:
## rake db:seed
I tried to prepare the seeding for all databases, so the example admin functionality has sth. to look at

## users_controller
view/users/show.html.erb
add_to should add a user to the last Lunch
not_me should take user down from the last Lunch

## layouts/application.html.erg
How to call the flash message in css ?
.name is not the thing