Revert "Revert "Merge branch 'f-validate-config' into 'dev'""

Summary

2nd attempt to merge #70 (closed) because of an unforeseen pipline error.

Focus

Please focus on the actual implementation and the setup.

Test Environment

Please test:

• Install pylib without argument - no jsonschema installed?
• Install pylib with pip3 install .[jsonschema] - is the correct version of jsonschema installed
• run tox without jsonschema installed - is there a temporary installation?
• is everything running in caosdb-deploy?

Check List for the Author

Please, prepare your MR for a review. Be sure to write a summary and a focus and create gitlab comments for the reviewer. They should guide the reviewer through the changes, explain your changes and also point out open questions. For further good practices have a look at our review guidelines

• All automated tests pass
• Reference related Issues
• Up-to-date CHANGELOG.md
• Annotations in code (Gitlab comments)
  • Intent of new code
  • Problems with old code
  • Why this implementation?

Check List for the Reviewer

• I understand the intent of this MR
• All automated tests pass
• Up-to-date CHANGELOG.md
• The test environment setup works and the intended behavior is reproducible in the test environment
• In-code documentation and comments are up-to-date.
• Check: Are there spezifications? Are they satisfied?

For further good practices have a look at our review guidelines.