updated /interfaces doc

README.md

@@ -173,9 +173,17 @@ Any non-empty responses are JSON formatted messages.
             "type": "object",
             "properties": {
                 "name": {"type": "string"},
-                "description": {"type": "string"}
+                "description": {"type": "string"},
+                "ipv4": {
+                    "type": "array",
+                    "items": {"type": "string"}
+                },
+                "ipv6": {
+                    "type": "array",
+                    "items": {"type": "string"}
+                }
             },
-            "required": ["name", "description"],
+            "required": ["name", "description", "ipv4", "ipv6"],
             "additionalProperties": False
         }
     }