Logic App Standard

[hriaz]

Issue-id

PR Checklist

This PR introduces support for Logic App Standard and support for dynamic app settings for function apps

• [ ] I have added example(s) inside the [./examples/] folder
• [ ] I have added the example(s) to the integration test list for normal (~30 minutes) or long runner >30 minutes
• [ ] I have checked the coding conventions as per the wiki
• [ ] I have checked to ensure there aren't other open Pull Requests for the same update/change?

Description

Does this introduce a breaking change

• [ ] YES
• [ ] NO

Testing

[arnaudlh]

Will need some refactoring. Started and put into https://github.com/aztfmod/terraform-azurerm-caf/tree/Mobizinc-app_settings

[LaurentLesle]

Already implemented. Closing