added new Get-TeamViewerInstallationType function

[radu-cristea-15]

Added new Get-TeamViewerInstallationType function that returns the TV installation type (Exe or Msi) from locally installed TV client

[AchilleasMitos-TV]

Please add a description to your PR.
Also, please enrich your commit message with more details about what the new Cmdlet does.

[AchilleasMitos-TV]

I have reviewed the PR in its totality, however I am not an expert on the topic of the different installation modes for the TV client. I would suggest to follow @stefanhubertus 's comments and wait for his approval before moving forward with this PR.

I have run the tests locally (they all pass) and tested out that the new Cmdlet works for the 'Exe' version of the client.

There are still two files that need to be changed in order for me to consider this PR as 'Approved'. One is the Cmdlets/TeamViewerPS.psd1 which needs to bump the minor version of the module that will contain the new Cmdlet; the other is the CHANGELOG.md which describes the difference to the last published version of the module. See this PR for an example.

[stefanhubertus]

I have reviewed the PR in its totality, however I am not an expert on the topic of the different installation modes for the TV client. I would suggest to follow @stefanhubertus 's comments and wait for his approval before moving forward with this PR.

I have run the tests locally (they all pass) and tested out that the new Cmdlet works for the 'Exe' version of the client.

There are still two files that need to be changed in order for me to consider this PR as 'Approved'. One is the Cmdlets/TeamViewerPS.psd1 which needs to bump the minor version of the module that will contain the new Cmdlet; the other is the CHANGELOG.md which describes the difference to the last published version of the module. See this PR for an example.

You are correct! The changelog.md should also then contain the changes from the recent merged pull requests - they were not in a release yet.