containerservice-multiapi-config (#16837)

* update

* Update readme.python.md

* Update readme.md

Co-authored-by: Yuchao Yan <[email protected]>

Author: RAY-316

specification/containerservice/resource-manager/readme.python.md

@@ -17,6 +17,7 @@ Generate all API versions currently shipped for this package
 
 ```yaml $(python) && $(multiapi) && $(track2)
 batch:
+  - tag: package-2021-10
   - tag: package-2021-09-01-only
   - tag: package-2021-08-01-only
   - tag: package-2021-07-01-only
@@ -53,6 +54,15 @@ output-folder: $(python-sdks-folder)/containerservice/azure-mgmt-containerservic
 clear-output-folder: false
 perform-load: false
 ```
+### Tag: package-2021-10 and python
+
+These settings apply only when `--tag=package-2021-10 --python` is specified on the command line.
+Please also specify `--python-sdks-folder=<path to the root directory of your azure-sdk-for-python clone>`.
+
+``` yaml $(tag) == 'package-2021-10' && $(python)
+namespace: azure.mgmt.containerservice.v2021_10_01
+output-folder: $(python-sdks-folder)/containerservice/azure-mgmt-containerservice/azure/mgmt/containerservice/v2021_10_01
+```
 
 ### Tag: package-2021-09-01-only and python