appplatform t2 readme config (#13829)

Author: RAY-316

specification/appplatform/resource-manager/readme.md

@@ -100,6 +100,7 @@ swagger-to-sdk:
   - repo: azure-sdk-for-python
     after_scripts:
       - python ./scripts/multiapi_init_gen.py azure-mgmt-appplatform
+  - repo: azure-sdk-for-python-track2
   - repo: azure-sdk-for-java
   - repo: azure-sdk-for-net
   - repo: azure-sdk-for-node
@@ -117,6 +118,10 @@ swagger-to-sdk:
 
 See configuration in [readme.go.md](./readme.go.md)
 
+## Python
+
+See configuration in [readme.python.md](./readme.python.md)
+
 ## Java
 
 See configuration in [readme.java.md](./readme.java.md)