Temporal with postgres db

[serelliwalmart]

What was changed

Why?

Checklist

1. Closes

2. How was this tested:

3. Any docs updates needed?

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[robholland]

There is already a postgres only example.