Feat/add exomiser dockerimage

[DamienGnst]

PR checklist

• [ ] This comment contains a description of changes (with reason).
• [ ] If you've fixed a bug or added code that should be tested, add tests!
• [ ] If you've added a new tool - have you followed the pipeline conventions in the contribution docs
• [ ] Make sure your code lints (nf-core lint).
• [ ] Ensure the test suite passes (nextflow run . -profile test,docker --outdir <OUTDIR>).
• [ ] Check for unexpected warnings in debug mode (nextflow run . -profile debug,test,docker --outdir <OUTDIR>).
• [ ] Usage Documentation in docs/usage.md is updated.
• [ ] Output Documentation in docs/output.md is updated.
• [x] CHANGELOG.md is updated.
• [ ] README.md is updated (including new tool citations and authors/contributors).

Create automatic test for exomiser containers This docker image is designed to create a working exomiser docker from the offcial exomiser docker . It includes exomiser tools but we change the entrypoint to make it work with nextflow on kubernetes.

[LysianeBouchard]

You might want to add documentation for your docker image.

[LysianeBouchard]

We need to update the changelog as well. I forgot to update it in my last PR ... If you could add my PR too it would be nice.

[DamienGnst]

You might want to add documentation for your docker image.

Add description of the exomiser docker image in README

[DamienGnst]

We need to update the changelog as well. I forgot to update it in my last PR ... If you could add my PR too it would be nice.

Done!