feat: create Terraform outputs for key resources

[edjshelton]

This PR creates an outputs.tf file containing Terraform outputs for several key resources in this module which may be useful/required by many people.

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[jeschkies]

@edjshelton could you rebase on latest main? This should fix the CI issues.

[jeschkies]

@edjshelton thanks fro your change. could you sign the CLA?