Add the ability to add new Postgres db Credentials

[jamesshank]

Before this PR

We'd like to populate Postgres database credentials.

After this PR

We'd be able to populate Postgres database credentials.

Possible downsides?

None

Hi folks, hope this PR finds y'all well. Please let me know of any issues or updates that you'd like to see!

[changelog-app[bot]]

Generate changelog in changelog-dir>`changelog/@unreleased`</changelog-dir

Type

- [ ] Feature - [ ] Improvement - [ ] Fix - [ ] Break - [ ] Deprecation - [ ] Manual task - [ ] Migration

Description

Add the ability to add new Postgres db Credentials **Check the box to generate changelog(s)** - [ ] Generate changelog entry

[jamesshank]

Ha! Thanks, addressed!

[svc-autorelease]

Released 0.8.0