feat: created functions to get multiple signed URLs.

[dishwad]

Addresses issues:
#104

[anand2312]

LGTM

[anand2312]

@dishwad run poetry run pre-commit install locally to install pre-commit hooks so that black is automatically run on every commit - that's what seems to be failing in CI right now 😄

Also you don't have to manually write the code for the sync client, we generate that using unasync - poetry run unasync storage3 and poetry run unasync tests generates sync code for us 😅 I should probably document that somewhere

[dishwad]

Ok I removed the code for the sync client and the sync test. I ran poetry run pre-commit install locally and black is passing for me locally.

[J0]

Hm might be the case that poetry version of black doesn't tally with the pre commit hook config. Former is 23.3.0 and latter is 23.1.0. Let me bump - might need to trouble you to rerun

[codecov-commenter]

Codecov Report

Patch coverage: 84.21% and project coverage change: -1.48 ⚠️

Comparison is base (03c5b03) 87.18% compared to head (2a3d129) 85.71%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #105      +/-   ##
==========================================
- Coverage   87.18%   85.71%   -1.48%     
==========================================
  Files          12       12              
  Lines         320      371      +51     
==========================================
+ Hits          279      318      +39     
- Misses         41       53      +12     

Impacted Files	Coverage Δ
storage3/_async/file_api.py	85.22% <78.57%> (-1.26%)	⬇️
storage3/_sync/file_api.py	85.22% <78.57%> (-1.26%)	⬇️
storage3/types.py	95.34% <100.00%> (+1.23%)	⬆️

... and 2 files with indirect coverage changes

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[anand2312]

Odd - the pre-commit hook for black was reformatting tests/_async/test_client.py on CI but ignoring it locally. Running black manually on that file seems to have fixed it.
Thanks for the PR @dishwad!