Support name and is-responder properties on Wireguard peers (#304)

From the RouterOS 7.15 changelog:

```
*) wireguard - added option to mark peer as responder only;
*) wireguard - added peer "name" field and display it in logs;
```

plugins/module_utils/_api_data.py

@@ -2340,6 +2340,10 @@ PATHS = {
                 'preshared-key': KeyInfo(can_disable=True, remove_value=''),
                 'public-key': KeyInfo(),
             },
+            versioned_fields=[
+                ([('7.15', '>=')], 'name', KeyInfo()),
+                ([('7.15', '>=')], 'is-responder', KeyInfo()),
+            ],
         ),
     ),
     ('interface', 'wireless'): APIData(