SKILL-2: As a guest I can receive the student profile by id

What would you say for that ?

```ruby

  constraints subdomain: /^api/, format: 'json' do
    scope module: 'api' do
      namespace :v1, defaults: {format: 'json'} do
        resources :students, only: [:index, :show]
      end
    end
  end
```

1. First of all you don't have to play with empty path
2. Write test it might be that domain is longer (try to define api.my.test.dev)
2.1 It would be good to have test for routes covering that
3. Missing constrains on format cause an exception when someone tries .html or .xml
4. It's >76 lines :-)