[AutoPR automation/resource-manager] Adding examples and fixing the DSC related lint issues

[AutorestCI]

Created to sync Azure/azure-rest-api-specs#2415

[codecov-io]

Codecov Report

Merging #1928 into restapi_auto_automation/resource-manager will decrease coverage by 1.49%.
The diff coverage is 29.18%.

@@                             Coverage Diff                             @@
##           restapi_auto_automation/resource-manager    #1928     +/-   ##
===========================================================================
- Coverage                                     53.02%   51.53%   -1.5%     
===========================================================================
  Files                                          4710     4898    +188     
  Lines                                        116674   125542   +8868     
===========================================================================
+ Hits                                          61869    64692   +2823     
- Misses                                        54805    60850   +6045

Impacted Files	Coverage Δ
...gmt/automation/operations/connection_operations.py	10.18% <10.18%> (ø)
...e/mgmt/automation/operations/runbook_operations.py	10.34% <10.34%> (ø)
...automation/operations/source_control_operations.py	10.37% <10.37%> (ø)
...mt/automation/operations/certificate_operations.py	10.47% <10.47%> (ø)
.../mgmt/automation/operations/variable_operations.py	10.57% <10.57%> (ø)
...re/mgmt/automation/operations/module_operations.py	10.57% <10.57%> (ø)
...omation/operations/dsc_configuration_operations.py	10.67% <10.67%> (ø)
.../mgmt/automation/operations/schedule_operations.py	10.78% <10.78%> (ø)
...e-mgmt-automation/azure/mgmt/automation/version.py	100% <100%> (ø)
...utomation/azure/mgmt/automation/models/__init__.py	100% <100%> (ø)
... and 597 more

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[lmazuel]

Will be merged part of https://github.com/Azure/azure-sdk-for-python/pull/1983/files