Add RBAC sample for DPS

[dylanbulfinMS]

Checklist

• [ ] I have read the contribution guidelines.
• [ ] I added or modified the existing tests to cover the change (we do not allow our test coverage to go down).
• If this is a modification that impacts the behavior of a public API
  • [ ] I edited the corresponding document in the devdoc folder and added or modified requirements.

Reference/Link to the issue solved with this PR (if any)

Description of the problem

Description of the solution

[dylanbulfinMS]

/azp run

[azure-pipelines[bot]]

Commenter does not have sufficient privileges for PR 1098 in repo Azure/azure-iot-sdk-node

[vishnureddy17]

/azp run

[azure-pipelines[bot]]

Pull request contains merge conflicts.

[vishnureddy17]

/azp run

[azure-pipelines[bot]]

Azure Pipelines successfully started running 3 pipeline(s).

[anthonyvercolano]

/azp run

[azure-pipelines[bot]]

Azure Pipelines successfully started running 3 pipeline(s).

[anthonyvercolano]

/azp run

[azure-pipelines[bot]]

Azure Pipelines successfully started running 3 pipeline(s).

[anthonyvercolano]

/azp run node-eastus-linux

[azure-pipelines[bot]]

Azure Pipelines successfully started running 1 pipeline(s).

[anthonyvercolano]

/azp run node-eastus-windows

[azure-pipelines[bot]]

Azure Pipelines successfully started running 1 pipeline(s).

[anthonyvercolano]

/azp run horton-node-gate

[azure-pipelines[bot]]

Azure Pipelines successfully started running 1 pipeline(s).

[vishnureddy17]

/azp run

[azure-pipelines[bot]]

Azure Pipelines successfully started running 3 pipeline(s).