docs: add messages to docs (#875)

Author: aeneasr

docs/kratos/concepts/ui-user-interface.mdx

@@ -994,6 +994,18 @@ UI Messages are always presented as the following JSON
 
 for the values of these fields, please check the list below.
 
+### Machine Readable Format
+
+```mdx-code-block
+<CodeFromRemote
+  lang="json"
+  title="https://github.com/ory/docs/blob/master/docs/kratos/concepts/messages.json"
+  src="https://raw.githubusercontent.com/ory/docs/master/docs/kratos/concepts/messages.json"
+/>
+```
+
+### Human Readable Format
+
 :::note
 
 The section below is auto-generated. Changing it has no effect as any changes will be overwritten!