v0.1.0 - PRanger

This first release of dbtest contemplates a basic scenario where the integrity of a Postgres Database can be tested on a local environment.
Tests don't necessarily need to be combined with GitHub Actions or CI, but can exist in the repo referencing a Test/Production environment with the massive advantage of having all the tests automated and tracked down.

This version is a pre-alpha to check what else needs to be added (assertTypes, DB connection checks for tables/permissions), but further steps are something that only time will define.

More than happy to get some feedback and help the comminity