Use paragaphs for events

- Added drupal/paragraphs
- Added event paragraph type
- Added events field to the Talk and Workshop content types

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

@@ -0,0 +1,21 @@
+uuid: b72d860b-256c-483d-a615-cf6e0ebc5a31
+langcode: en
+status: true
+dependencies:
+  module:
+    - paragraphs
+id: paragraph.field_name
+field_name: field_name
+entity_type: paragraph
+type: string
+settings:
+  max_length: 255
+  is_ascii: false
+  case_sensitive: false
+module: core
+locked: false
+cardinality: 1
+translatable: true
+indexes: {  }
+persist_with_no_fields: false
+custom_storage: false