Metadata support for JADE and fetching of inputs from IAEA

[dodu94]

Description

This PR introduce metadata support (input, run and post-processing) for JADE. At the same time, a new utility is implemented that allows to fetch open benchmark inputs directly from the IAEA GitHub repository (where they will be maintained in the future). This PR also changes the minimum supported version of JADE from python 3.7 to python 3.9.

Fixes #281

Additional dependencies introduced.

• f4enix
• requests

Type of change

Please select what type of change this is.

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New benchmark
  • [ ] Non-breaking change which entirely uses exisiting classes, structure etc
  • [ ] Breaking change which has implemented new/modified classes etc
• [x] New feature
  • [x] Non-breaking change which adds functionality
  • [ ] Breaking change fix or feature that would cause existing functionality to not work as expected

Other changes

• [x] This change requires a documentation update
• [ ] (If Benchmark) This requires additional data that can be obtained from:
  • Benchmark data 1
  • Benchamrk data 2

Testing

Suitable CI tests have been added in addition to manual regression tests performed.

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [x] I have added tests that prove my fix is effective or that my feature works
• [x] General testing
  • [x] New and existing unit tests pass locally with my changes
  • [x] Coverage is >80%