Add Microsoft.ResourceConnector [Appliance] 2021-10-31-preview API (#16384)

* Add Microsoft.ResourceConnector [Appliance] 2021-10-31-preview API

* Run prettier on violation files

* Add SCVMM to custom-words.txt

* Fix validation issues

* Fix prettier issue with AppliancesListClusterUserCredential.json

* Add multi API section for go readme and update namespace for python readme

* Update Example files to be more accurate

* Add None to Managed Identity typ in parity with other Azure Arc Resources

* Add default value as AKSEdge for distro

* Adding type object for ApplianceListResult

* Update Identity to use SystemAssignedServiceIdentity from common-types v3 managedidentity.json

* Reverting to using custom Identity

* Update readme.md

* Update readme.python.md

Co-authored-by: Anirban Thakur <[email protected]>
Co-authored-by: Yiming Lei <[email protected]>

Author: 3 people

custom-words.txt

@@ -1775,6 +1775,7 @@ SCMS
 SCOM
 scopemap
 SCSV
+SCVMM
 SDDL
 sdks
 SDWAN