Add Kontainer CND media type for remotely sourced files

Closes #3413389

config/install/core.entity_form_display.media.kontainer_cdn.default.yml

+langcode: en
+status: true
+dependencies:
+  config:
+    - field.field.media.kontainer_cdn.field_media_kontainer_cdn
+    - media.type.kontainer_cdn
+  module:
+    - kontainer
+    - path
+id: media.kontainer_cdn.default
+targetEntityType: media
+bundle: kontainer_cdn
+mode: default
+content:
+  created:
+    type: datetime_timestamp
+    weight: 10
+    region: content
+    settings: {  }
+    third_party_settings: {  }
+  field_media_kontainer_cdn:
+    type: kontainer_cdn
+    weight: 0
+    region: content
+    settings:
+      placeholder_url: ''
+      placeholder_title: ''
+    third_party_settings: {  }
+  name:
+    type: string_textfield
+    weight: -5
+    region: content
+    settings:
+      size: 60
+      placeholder: ''
+    third_party_settings: {  }
+  path:
+    type: path
+    weight: 30
+    region: content
+    settings: {  }
+    third_party_settings: {  }
+  status:
+    type: boolean_checkbox
+    weight: 100
+    region: content
+    settings:
+      display_label: true
+    third_party_settings: {  }
+  uid:
+    type: entity_reference_autocomplete
+    weight: 5
+    region: content
+    settings:
+      match_operator: CONTAINS
+      match_limit: 10
+      size: 60
+      placeholder: ''
+    third_party_settings: {  }
+hidden: {  }