fix(interaction_metadata): document command_type

Author: ImRodry

docs/resources/message.mdx

@@ -267,6 +267,7 @@ One of [Application Command Interaction Metadata](/docs/resources/message#messag
 | original_response_message_id?  | snowflake                                                                                                                             | ID of the original response message, present only on [follow-up messages](/docs/interactions/receiving-and-responding)                                                                                                                                                      |
 | target_user?                   | [user](/docs/resources/user#user-object) object                                                                                       | The user the command was run on, present only on [user command](/docs/interactions/application-commands#user-commands) interactions                                                                                                                                         |
 | target_message_id?             | snowflake                                                                                                                             | The ID of the message the command was run on, present only on [message command](/docs/interactions/application-commands#message-commands) interactions. The original response message will also have `message_reference` and `referenced_message` pointing to this message. |
+| command_type                   | [command type](/docs/interactions/application-commands#application-command-object-application-command-types)                          | Type of command that was ran                                                                                                                                                                                                                                                |
 
 
 ###### Message Component Interaction Metadata Structure