Feature/#104 licenses for images

Feature

Summary

This MR provides an implementation of the newly introduced License Object within the Image Object.

Both id and notes are provided and contain the necessary data needed for legal security.

Compliance to “Definition of Done”

• Unit tests passed
• Code reviewed
• Acceptance criteria met
• Functional tests passed
• Non-Functional requirements met
• Product Owner accepts the User Story

Use Cases

As someone responsible for the project, I want to provide a license info for each image to satisfy legal requirements.

Documentation

• I updated the README (if applicable)
• I provided my functions with appropriate documentation
• I updated existing documentation

Tests

Are we able to test this new feature?

• Yes, you can test by following these steps:
  • go to the Syriac or Arabic/Karshuni collection on the test server (e.g. https://ahikar-test.sub.uni-goettingen.de/api/textapi/ahikar/arabic-karshuni/collection.json) and navigate to an item
  • see the newly introduced fields in the image object

Changelog

• I added a statement to the CHANGELOG.

Version number

• I bumped the version number in build.properties.

Related Tickets

Closes #104 (closed).

Logs and Screenshots

/cc Mathias Göbel, Frank Schneider, Michelle Weidling