Updating to support latest Provider functions

[joeharlan]

Description

This PR includes some changes in formatting for readability, but also include some functional changes. The main functional change includes code to support handling any empty role templates returned by the RSC API that the Azure RM provider interprets as a change on every plan/apply operation despite there being no actual changes.

Related Issue

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• If fixing a bug, there should be an issue describing it with steps to reproduce

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Motivation and Context

The proposed changes solve the previously mentioned issue with the RG-scoped Azure SQL DB and Azure SQL MI role templates containing no permissions.

How Has This Been Tested?

• Please describe in detail how you tested your changes.
• Include details of your testing environment, and the tests you ran to see how your change affects other areas of the code, etc.

The changes were tested in the Oasis Labs environment using the 0.9.0-beta.8 polaris Provider.

Screenshots (if appropriate):

Types of changes

What types of changes does your code introduce? Put an x in all the boxes that apply:

• [X] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

Go over all the following points, and put an x in all the boxes that apply. If you're unsure about any of these, don't hesitate to ask. We're here to help!

• [X] My code follows the code style of this project.
• [X] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have updated the CHANGELOG file accordingly for the version that this merge modifies.
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.

[joeharlan]

@DamaniN Reverted to previous name. Though I have to ask, is it common to use module examples as-is, or is it more common to clone them to your own repo and modify as desired?