Use pooch to retrieve data from gin

[lauraporta]

Description

What is this PR

• Bug fix
• Addition of a new feature
• Other

Why is this PR needed?
Binder notebooks were failing as I didn't included the examples/data/ folder in the repository. I now have uploaded it to jin and I am downloading it from there.

What does this PR do?
Adds file with small function containing variables for pooch (maybe too hardcoded?) and edits the examples.

References

Solves #44

How has this PR been tested?

Local website built - cannot test binder 😭

Is this a breaking change?

no

Does this PR require an update to the documentation?

API docs included with docstring

Checklist:

• The code has been tested locally
• Tests have been added to cover all new functionality
• The documentation has been updated to reflect any changes
• The code has been formatted with pre-commit

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 11 lines in your changes missing coverage. Please review.

Project coverage is 43.69%. Comparing base (8d2984a) to head (c059d10).

Files with missing lines	Patch %	Lines
derotation/sample_data.py	0.00%	11 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #47      +/-   ##
==========================================
- Coverage   44.12%   43.69%   -0.44%     
==========================================
  Files          13       14       +1     
  Lines        1115     1126      +11     
==========================================
  Hits          492      492              
- Misses        623      634      +11     

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[niksirbi]

Looks good to me! I think this should fix your binder problems.