feat: Apache Karaf support

[borcsokj]

Closes #219

Proposed Changes

Apache Karaf support (depends on #220 )

Checklist

• CHANGELOG.md updated
• Rebased/mergeable
• A test has been added if appropriate
• mvn test completes successfully
• Commit messages are in semantic format
• Sign CLA (if not already signed)

[bednar]

Thanks again for your PR 👍 , let's first finish #220...

[bednar]

@borcsokj, please rebase sources to resolve conflicts with merged #220

[bednar]

Thanks again for your awesome PR 👍... There is a few requirements that should be satisfy before we accept the PR:

1. Apply following git patch that will add karaf module into CircleCI caching strategy:
   • circleci_patch.txt
   • git apply circleci_patch.txt

and a few following requirements in code:

[borcsokj]

@bednar, thanks for your review, I applied changes you wrote.

[bednar]

Thanks again for your PR 👍... We are ready to merge