Joss response

[thomaspinder]

This PR updates the repository's README file to explicitly guide new users through the contribution process. It also introduces a pre-commit hook to black format and sort imports.

Pull request type

• Bugfix
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Other (please describe):

What is the current behavior?

It is currently a requirement that formatting be done manually by the user upon committing code. This can lead to incocistencies when people use different formatting options or forget to pre-format code.

Further, there is no acknowledgement to how new users can contribute to GPJax from with the repository's README.

Issue Number: #76

What is the new behavior?

A pre-commit hook is introduced to automate code formatting. A section of text has been introduced into the repository's README file to signpost new users to the relevant parts of the repository for contributing, raising issues, or starting discussions.

[codecov]

Codecov Report

Merging #77 (2d3d8e4) into master (0a26a9f) will increase coverage by 0.36%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master      #77      +/-   ##
==========================================
+ Coverage   98.71%   99.08%   +0.36%     
==========================================
  Files          13       13              
  Lines         859      871      +12     
==========================================
+ Hits          848      863      +15     
+ Misses         11        8       -3     

Flag	Coverage Δ
unittests	99.08% <ø> (+0.36%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
gpjax/gps.py	100.00% <0.00%> (ø)
gpjax/types.py	100.00% <0.00%> (ø)
gpjax/sparse_gps.py
gpjax/variational.py
gpjax/variational_inference.py	95.65% <0.00%> (ø)
gpjax/variational_families.py	100.00% <0.00%> (ø)
gpjax/likelihoods.py	100.00% <0.00%> (+4.47%)	⬆️

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