Add order free shipping

[tubaman]

Description

Add the ability to handle the "Free Shipping" field

Fixes # (issue number)

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a schema change
• This change requires a documentation update

Testing Done

Added test and ran make test

Checklist

• I have added tests that prove my change works as expected, and make test passes with no new errors or warnings
• I have run make check to ensure no new errors or warnings
• I have updated the docs, if applicable, and run make docs to ensure no new errors or warnings
• I have performed a self-review of my own code
• I have commented my code in particularly hard-to-understand areas

[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.

Project coverage is 89.77%. Comparing base (a95aca4) to head (81b3b0c).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
amazonorders/cli.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #47      +/-   ##
==========================================
- Coverage   89.83%   89.77%   -0.07%     
==========================================
  Files          18       18              
  Lines        1092     1095       +3     
==========================================
+ Hits          981      983       +2     
- Misses        111      112       +1     

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[alexdlaird]

Released in 3.2.14. Thanks for the contribution!