Add support to pass shape and affine to Resample

[fepegar]

Fixes #638.

Checklist

• I have read the CONTRIBUTING docs and have a developer setup (especially important are pre-commitand pytest)
• Non-breaking change (would not break existing functionality)
• Breaking change (would cause existing functionality to change)
• Tests added or modified to cover the changes
• Integration tests passed locally by running pytest
• In-line docstrings updated
• Documentation updated, tested running make html inside the docs/ folder
• This pull request is ready to be reviewed
• If the PR is ready and there are multiple commits, I have squashed them and force-pushed

[fepegar]

TODO: update docstring.

@romainVala Can you try your snippet in #638 and see if this is better?

[codecov]

Codecov Report

Merging #640 (1097139) into master (e4342b2) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #640   +/-   ##
=======================================
  Coverage   96.85%   96.86%           
=======================================
  Files         126      126           
  Lines        6517     6564   +47     
=======================================
+ Hits         6312     6358   +46     
- Misses        205      206    +1     

Impacted Files	Coverage Δ
tests/data/test_io.py	100.00% <100.00%> (ø)
tests/transforms/preprocessing/test_resample.py	100.00% <100.00%> (ø)
torchio/data/io.py	96.91% <100.00%> (+0.48%)	⬆️
...ansforms/augmentation/spatial/random_anisotropy.py	93.33% <100.00%> (+0.31%)	⬆️
...rchio/transforms/preprocessing/spatial/resample.py	90.27% <100.00%> (-0.50%)	⬇️
torchio/typing.py	100.00% <100.00%> (ø)

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[romainVala]

just get a quick look !
amazing quite a lot of changes and the result seems to be ok for me !
the pickel is ok, and the history looks as expected

great job, i'll look more to better understand, but difficult to review

[romainVala]

looks good

[fepegar]

Thanks for reporting and reviewing, @romainVala!