[power platform] Update readme.python.md (Azure#33752)

* Update readme.python.md

* Update readme.python.md for PowerPlatform configuration

Author: ChenxiJiang333

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

@@ -3,19 +3,22 @@
 These settings apply only when `--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 $(python)
-python:
-  azure-arm: true
-  license-header: MICROSOFT_MIT_NO_VERSION
-  payload-flattening-threshold: 2
-  namespace: Microsoft.PowerPlatform
-  package-name: powerplatform
-  package-version: 2020-10-30-preview
-  clear-output-folder: true
+``` yaml $(python)
+azure-arm: true
+license-header: MICROSOFT_MIT_NO_VERSION
+package-name: azure-mgmt-powerplatform
+namespace: azure.mgmt.powerplatform
+package-version: 1.0.0b1
+clear-output-folder: true
+title: PowerPlatformMgmtClient
 ```
 
-```yaml $(python)
-python:
-  no-namespace-folders: true
-  output-folder: $(python-sdks-folder)/azure-mgmt/powerplatform
+``` yaml $(python)
+no-namespace-folders: true
+output-folder: $(python-sdks-folder)/powerplatform/azure-mgmt-powerplatform/azure/mgmt/powerplatform
+```
+
+``` yaml $(python)
+modelerfour:
+  flatten-models: false
 ```