Add Beam Kubernetes Benchmark Definitions

See merge request !218

Align package structure among all benchmark implementations

Closes #310

See merge request !249

Merge branch 'refactor-beam-service' of git.se.informatik.uni-kiel.de:she/theodolite into refactor-beam-service

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.13.0 to 1.13.3.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](https://github.com/sparklemotion/nokogiri/compare/v1.13.0...v1.13.3

)

---
updated-dependencies:
- dependency-name: nokogiri
  dependency-type: indirect
...

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