Add getting-started-test-pipeline.yml

[ansabgillani]

Adding getting-started-test-pipeline.yml to the pipeline and ensure it runs as mentioned in the docs.

Will only run on main branch on dapp-offer-up

fixes #892

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[dckc]

Good to see progress on this.

It looks like this is intended to address #892. Want to edit the description to say so? If I don't hear otherwise, I may go ahead and do that.