Added entrys to bibliography for coordinate transformation

[LukasElster]

Signed-off-by: @lukas.elster lukas.elster@tu-darmstadt.de

Reference to a related issue in the repository

Resolves #604 in the open-simulation-interface repository.

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Added the necessary changes in the bibliography due to pull request #607 in the open-simulation-interface repository.
I tested the changes via a local build with asciidoctor.

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@stefancyliax

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• I have performed a self-review of my own code/documentation.
• My documentation changes are related to another repository in the organization. Here is the link to the issue/repo.
  • Add coordinate transformation in documentation open-simulation-interface#604
• My changes generate no new warnings during the documentation generation.
• The existing travis ci which pushes the documentation to gh-pages passes with my changes.