Add working configuration from initial install, plus agarica theme enablement

config/sync/core.entity_form_display.comment.comment.default.yml

@@ -0,0 +1,36 @@
+uuid: 529bf746-09c6-42a5-9fe1-abeea69fb162
+langcode: en
+status: true
+dependencies:
+  config:
+    - comment.type.comment
+    - field.field.comment.comment.comment_body
+  module:
+    - text
+_core:
+  default_config_hash: i9gg03KbztdQ0LmR6WLr5smEj5TBKU12U2X8ZlSpKJA
+id: comment.comment.default
+targetEntityType: comment
+bundle: comment
+mode: default
+content:
+  author:
+    weight: -2
+    region: content
+  comment_body:
+    type: text_textarea
+    weight: 11
+    settings:
+      rows: 5
+      placeholder: ''
+    third_party_settings: {  }
+    region: content
+  subject:
+    type: string_textfield
+    weight: 10
+    settings:
+      size: 60
+      placeholder: ''
+    third_party_settings: {  }
+    region: content
+hidden: {  }