@essential-projects/metadata/PULL_REQUEST_TEMPLATE.md

the core metadata service for using the metadata from inside the domain

## What did you change?

> Describe the changes introduced by this PR.
>
> Fixes # (issue, if applicable)

## How can others test the changes?

> Describe how others can test your changes (you can remove this section for typo fixes etc.)

## PR-Checklist

Please check the boxes in this list after submitting your PR:

- [ ] You can merge this PR **right now** (if not, please prefix the title with "WIP: ")
- [ ] I've tested **all** changes included in this PR.
- [ ] I've also reviewed this PR myself before submitting (e.g. for scrambled letters, typos, etc.)
- [ ] I've merged the `develop` branch into my branch before finishing this PR.
- [ ] I've **not added any other changes** than the ones described above.
- [ ] I've mentioned all **PRs, which relate to this one**