Adding probability distribution options

[olelod]

Insert a description of your pull request (PR) here, and check off the boxes below when they are done.

---

Contributor checklist

• 🎉 This PR closes Data types/prior distributions in FlowNet #237 and Negative porosity when using mean and max in the config #210
• 📜 I have broken down my PR into the following tasks:
  • Add possibility of defining more data types/priors in the config yml
    • Normal distribution
    • Truncated normal distribution
    • Lognormal distribution
    • Triangular distribution
    • Dirac distribution (constant)
  • Make all data types available for
    • Bulk volumne
    • Porosity
    • Permeability
    • Aquifer size
    • Fault multipliers
    • Contacts
    • Relative permeability
  • Update how min/max for a given mean/max or mean/min is found for a loguniform distribution
  • Update the update_distribution function in _run_ahm.py
  • Adding checks in the config parsing to make sure the defined distributions are ok
• 🤖 I have added tests, or extended existing tests, to cover any new features or bugs fixed in this PR.
• 📖 I have considered adding a new entry in CHANGELOG.md.
• 📚 I have considered updating the documentation.

[wouterjdb]

LGTM 👍 (but too large too see the total picture, so I hope you did were very good with testing things!). Some tiny comments left and please change back the CI/CD testdata path.

[wouterjdb]

LGTM 🤞

[olelod]

Yes 🤞