Updated REST GET message (markdown)

REST-GET-message.md

@@ -16,6 +16,7 @@ Retrieve message body
 * The Inbucket version of the message headers (same as returned by [GET /api/v1/mailbox/{name}](https://github.com/jhillyerd/inbucket/wiki/REST-GET-mailbox))
 * The parsed SMTP headers (not converted to UTF-8)
 * The decoded Text and HTML portions of the MIME body of the email
+* A list of attachments (coming in 1.2.0)
 
 ### Example
 
@@ -59,5 +60,14 @@ Response: (JSON reformatted for readability)
             "To": [
                 "swaks@inbucket.local"
             ]
-        }
+        },
+        "attachments": [
+            {
+                "filename": "favicon.png",
+                "content-type": "image/png",
+                "download-link": "http://localhost:9000/mailbox/dattach/swaks/20161231T045513-0004/0/favicon.png",
+                "view-link": "http://localhost:9000/mailbox/vattach/swaks/20161231T045513-0004/0/favicon.png",
+                "md5": "a72a7565b6b6587ac15fc35746307d0e"
+            }
+        ]
     }