Install the drutopia blog module

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

@@ -13,10 +13,12 @@ dependencies:
     - field.field.node.article.field_summary
     - field.field.node.article.field_tags
     - field.field.node.article.field_topics
+    - field.field.node.article.field_upload
     - image.style.thumbnail
     - node.type.article
   module:
     - comment
+    - file
     - focal_point
     - metatag
     - paragraphs
@@ -107,6 +109,13 @@ content:
     third_party_settings: {  }
     type: options_select
     region: content
+  field_upload:
+    weight: 51
+    settings:
+      progress_indicator: throbber
+    third_party_settings: {  }
+    type: file_generic
+    region: content
   path:
     type: path
     weight: 13