admin can translate homepage

config/sync/language.content_settings.node.frontpage.yml

@@ -15,4 +15,4 @@ id: node.frontpage
 target_entity_type_id: node
 target_bundle: frontpage
 default_langcode: site_default
-language_alterable: false
+language_alterable: true

config/sync/node.type.frontpage.yml

@@ -4,10 +4,14 @@ status: true
 dependencies:
   module:
     - menu_ui
+    - unique_content_field_validation
 third_party_settings:
   menu_ui:
     available_menus: {  }
     parent: ''
+  unique_content_field_validation:
+    unique: false
+    unique_text: ''
 name: frontpage
 type: frontpage
 description: 'a content type to edit the front page content (only one node from this CT)'

config/sync/user.role.admin.yml

@@ -137,6 +137,7 @@ permissions:
   - 'translate enregistrement node'
   - 'translate entrees taxonomy_term'
   - 'translate evenement node'
+  - 'translate frontpage node'
   - 'translate genres taxonomy_term'
   - 'translate interface'
   - 'translate langues taxonomy_term'