ISTWCMS-5214: adding theming for opportunity nodes and fixing dates

config/install/field.storage.node.field_uw_type_of_media.yml

+langcode: en
+status: true
+dependencies:
+  module:
+    - node
+    - options
+id: node.field_uw_type_of_media
+field_name: field_uw_type_of_media
+entity_type: node
+type: list_string
+settings:
+  allowed_values:
+    -
+      value: image
+      label: Image
+  allowed_values_function: ''
+module: options
+locked: false
+cardinality: 1
+translatable: true
+indexes: {  }
+persist_with_no_fields: false
+custom_storage: false