Add color style field

We'll try field_style_ as the prefix standard for fields used to format
the look of content, rather than being content themselves.

config/sync/core.entity_view_display.paragraph.title.default.yml

@@ -4,12 +4,14 @@ status: true
 dependencies:
   config:
     - field.field.paragraph.title.field_image
+    - field.field.paragraph.title.field_style_color
     - field.field.paragraph.title.field_subtitle
     - field.field.paragraph.title.field_title
     - image.style.max_650x650
     - paragraphs.paragraphs_type.title
   module:
     - image
+    - options
     - text
 id: paragraph.title.default
 targetEntityType: paragraph
@@ -23,6 +25,12 @@ content:
       image_style: max_650x650
     third_party_settings: {  }
     type: image_url
+  field_style_color:
+    weight: 3
+    label: hidden
+    settings: {  }
+    third_party_settings: {  }
+    type: list_key
     region: content
   field_subtitle:
     weight: 1