2 Stubs out a new observer. Pass the observer name, either CamelCased or
3 under_scored, as an argument.
5 The generator creates an observer class in app/models and a unit test in
9 `./script/generate observer Account`
11 creates an Account observer and unit test:
12 Observer: app/models/account_observer.rb
13 Test: test/unit/account_observer_test.rb