Adding Github (actions) support

[eladiw]

Adding Github actions support. Based on the Gitlab version.

A matching Bedrock PR which builds on this PR : https://github.com/microsoft/bedrock/pull/1457

Note: In the Gitlab version secrets and variables were used. For Github there, variables are not an option, so every value is stored as a secret.

All Submissions:

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• [YES] Have you followed the guidelines in our Contributing document?
• [YES] Have you added an explanation of what your changes do and why you'd like us to include them?
• [YES] I have updated the documentation accordingly.
• [YES/NO/NA] I have added tests to cover my changes.
• [YES/NO/NA] All new and existing tests passed.
• [YES] My code follows the code style of this project.
• [YES] I ran lint checks locally prior to submission.
• [YES] Have you checked to ensure there aren't other open Pull Requests for the same update/change?

What is the current behavior?

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Github actions is not supported

Issue Number: N/A

What is the new behavior?

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Adding Github acctions support

Does this introduce a breaking change?

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• [NO]

Any relevant logs, error output, etc?

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(If it’s long, please paste to https://ghostbin.com/ and insert the link here.)

Other information

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[eladiw]

@erikschlegel updated.