message: Added missing entry to readme.md
diff: @@ -47,6 +47,7 @@ input-file:
  - Microsoft.Network/2017-09-01/networkInterface.json
  - Microsoft.Network/2017-09-01/networkSecurityGroup.json
  - Microsoft.Network/2017-09-01/networkWatcher.json
  +- Microsoft.Network/2017-09-01/operation.json
  - Microsoft.Network/2017-09-01/publicIpAddress.json
  - Microsoft.Network/2017-09-01/routeFilter.json
  - Microsoft.Network/2017-09-01/routeTable.json
  