Docs Generation Infrastructure.

[georgend]

Creates a Docs PR with each PR, and Service Module Generation.
Branch with Generated Docs: https://github.com/microsoftgraph/msgraph-sdk-powershell/tree/DocsGeneration/202107081545

[peombwa]

@georgend it looks like we've got an error generating help docs for Get-MgGroupCreatedOnBehalfOf.md, see AzDO logs:

ForEach-Object : Exception calling "NodeModelToMamlModel" with "1" argument(s): "C:\a\1\s\src\Groups\Groups\docs\v1.0-beta\Get-MgGroupCreatedOnBehalfOf.md:104:(342) '
### Get-MgGroupCreatedOnBehalf
'
 Expect Heading level 2"
At C:\Users\AzDevOps\Documents\PowerShell\Modules\PlatyPS\0.14.2\platyPS.psm1:1598 char:22
+     $markdownFiles | ForEach-Object {
+                      ~~~~~~~~~~~~~~~~
+ CategoryInfo          : NotSpecified: (:) [ForEach-Object], MethodInvocationException
+ FullyQualifiedErrorId : HelpSchemaException,Microsoft.PowerShell.Commands.ForEachObjectCommand

[georgend]

@georgend it looks like we've got an error generating help docs for Get-MgGroupCreatedOnBehalfOf.md, see AzDO logs:

ForEach-Object : Exception calling "NodeModelToMamlModel" with "1" argument(s): "C:\a\1\s\src\Groups\Groups\docs\v1.0-beta\Get-MgGroupCreatedOnBehalfOf.md:104:(342) '
### Get-MgGroupCreatedOnBehalf
'
 Expect Heading level 2"
At C:\Users\AzDevOps\Documents\PowerShell\Modules\PlatyPS\0.14.2\platyPS.psm1:1598 char:22
+     $markdownFiles | ForEach-Object {
+                      ~~~~~~~~~~~~~~~~
+ CategoryInfo          : NotSpecified: (:) [ForEach-Object], MethodInvocationException
+ FullyQualifiedErrorId : HelpSchemaException,Microsoft.PowerShell.Commands.ForEachObjectCommand

Issue resolved.