message: Add message fields to message rfp template
diff: @@ -11,6 +11,11 @@ assignees: ''
  **Name of Incoming Message, if any:**
  +**Message Fields:**
  +
  +- Message Name
  + - Message Field: Type (number, string, array, object, etc), Description
  +
  **Describe message usage scenario**
  A clear and concise description of how you see the message being used.
  