* Wait for services to be up before running tests. This is important, especially for OpenSearch
* Generally depends on the CPU power of the hosting machine, thus this is an extra protective measure

* use `hatchling` instead of `setuptools` as build tool
* remove `MANIFEST.in` since that's specific to setuptools
* also add `uv.lock` to gitignore

* based on what we already have at Invenio-Theme-TUW

* concentrate the configuration of all calls in one place