Add start and end date to editions (1)

What does this MR do (summary)?

Adds start and end date to edition creation

Does this MR meet the acceptance criteria?

• The main application was run to make sure the server still runs without errors.
• Tests were written to verify the behaviour of this code.
• Javadoc and other comments were added to make the code understandable.
• The code adheres to the style guidelines.

added 1 commit

• 6d99dbf2 - Add start and end date to editions

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approved this merge request

enabled automatic add to merge train when the pipeline for bc2dd9f8 succeeds

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merged

mentioned in commit 52d9b901