Add subtitle field

config/sync/core.entity_view_display.node.article.default.yml

@@ -16,6 +16,7 @@ dependencies:
     - field.field.node.article.field_practices_tools_strategies
     - field.field.node.article.field_publication_date
     - field.field.node.article.field_regions
+    - field.field.node.article.field_subtitle
     - field.field.node.article.field_summary
     - field.field.node.article.field_tags
     - field.field.node.article.field_topics
@@ -82,6 +83,14 @@ content:
     third_party_settings: {  }
     type: entity_reference_label
     region: content
+  field_subtitle:
+    weight: 9
+    label: above
+    settings:
+      link_to_entity: false
+    third_party_settings: {  }
+    type: string
+    region: content
   field_upload:
     weight: 1
     label: above