Add editor setting for making title paragraphs main/large

config/sync/field.storage.paragraph.field_style_classes.yml

@@ -0,0 +1,27 @@
+uuid: 95c1887e-3679-4bb1-85bb-ace73acdefd8
+langcode: en
+status: true
+dependencies:
+  module:
+    - options
+    - paragraphs
+id: paragraph.field_style_classes
+field_name: field_style_classes
+entity_type: paragraph
+type: list_string
+settings:
+  allowed_values:
+    -
+      value: hero-main
+      label: Main
+    -
+      value: is-large
+      label: Large
+  allowed_values_function: ''
+module: options
+locked: false
+cardinality: -1
+translatable: true
+indexes: {  }
+persist_with_no_fields: false
+custom_storage: false