Add support for Edge builds

[Gordonby]

It'd be great if you could incorporate support for edge builds from the dev branch with a prerelease option.

ref: https://github.com/Azure/azure-cli#edge-builds

[github-actions]

This issue is stale because it has been open for 7 days with no activity.

[github-actions]

This issue is idle because it has been open for 14 days with no activity.

[t-dedah]

Resolves this issue #52

[t-dedah]

This request is being tracked here #77
Closing this issue.