Enable Entity Reference Override and configure biography field

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

@@ -7,6 +7,7 @@ dependencies:
     - field.field.node.article.comment
     - field.field.node.article.field_article_type
     - field.field.node.article.field_authors
+    - field.field.node.article.field_biography
     - field.field.node.article.field_body_paragraph
     - field.field.node.article.field_image
     - field.field.node.article.field_meta_tags
@@ -22,6 +23,7 @@ dependencies:
     - comment
     - cshs
     - datetime
+    - entity_reference_override
     - file
     - focal_point
     - metatag
@@ -62,6 +64,15 @@ content:
       size: 60
       placeholder: ''
     third_party_settings: {  }
+  field_biography:
+    weight: 26
+    settings:
+      match_operator: CONTAINS
+      size: '60'
+      placeholder: ''
+    third_party_settings: {  }
+    type: entity_reference_override_autocomplete
+    region: content
   field_body_paragraph:
     weight: 6
     settings: