API : Pages (#2568)

...lers/api/osuny/communication/websites/pages_controller.rb

app/models/communication/website/page.rb

app/models/communication/website/page/localization.rb

.../communication/website/page/localization/with_open_api.rb

app/models/communication/website/page/with_open_api.rb

.../communication/websites/pages/_localization.json.jbuilder

...pi/osuny/communication/websites/pages/_page.json.jbuilder

...pi/osuny/communication/websites/pages/index.json.jbuilder

...api/osuny/communication/websites/pages/show.json.jbuilder

...i/osuny/communication/websites/pages/upsert.json.jbuilder

config/routes/api.rb

openapi/osuny/v1/openapi.json

...ccessful_creation/creates_a_page_and_its_localization.yml

...s_a_page_and_updates_another_with_their_localizations.yml

spec/requests/osuny/v1/communication/websites/pages_spec.rb

spec/swagger_helper.rb

test/fixtures/communication/website/page/localizations.yml

test/fixtures/communication/website/pages.yml

test/models/communication/website/connection_test.rb

test/models/communication/website/dependency_test.rb