fix: make sure Name and Type exists as a property of PrimaryKey of SimpleTable

[53ningen]

Issue #, if available:
#884

Description of changes:
Add validation to AWS::Serverless::SimpleTable to make sure Name and Type exists as a property of PrimaryKey

Description of how you validated changes:
Added tests

Checklist:

• Write/update tests
• make pr passes
• [-] Update documentation
• [-] Verify transformed template deploys and application functions as expected
• [-] Add/update example to examples/2016-10-31

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[53ningen]

#884 (comment)

[keetonian]

Thanks for the fix!

[codecov-io]

Codecov Report

Merging #1054 into develop will increase coverage by <.01%.
The diff coverage is 100%.

@@             Coverage Diff             @@
##           develop    #1054      +/-   ##
===========================================
+ Coverage    94.91%   94.92%   +<.01%     
===========================================
  Files           69       69              
  Lines         3248     3250       +2     
  Branches       631      632       +1     
===========================================
+ Hits          3083     3085       +2     
  Misses          87       87              
  Partials        78       78

Impacted Files	Coverage Δ
samtranslator/model/sam_resources.py	95.65% <100%> (+0.02%)	⬆️

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[jlhood]

Looks great. Thanks so much for fixing this!