Add a CI

[hannesa2]

Now, you see if it builds and keep the repository up to date.
I update Gradle as well, because Gradle verification failed with given one
https://github.com/hannesa2/Sensors2OSC/actions/runs/10953881772/job/30414870000

[hannesa2]

I see there is a changelog.md this could be obsolete now, because with this pull request this is automated now,
When you create a new git tag and push it, anew realase will be automatically created which include a auto generated changelog, based on pull requests