Ar exercises

```gerkin
Scenario: Coordinators birds
  Given I am loggin
  And I am coordinator in "GullRS" organization
  And I am coordinator in "GullHR" organization
  And I am rind reader in "PollandGulls" organization
  When I go to birds listing page
  Then I should see birds from organizations where I am coordinator
  And I should not see birds from organizations where I am not coordinator
```