message: support readme.python change
diff: @@ -57,6 +57,7 @@ This is not used by Autorest itself.
  ``` yaml $(swagger-to-sdk)
  swagger-to-sdk:
  - repo: azure-sdk-for-python
  + - repo: azure-sdk-for-python-track2
  - repo: azure-sdk-for-java
  - repo: azure-sdk-for-js
  - repo: azure-sdk-for-go
  