Feature 209 checksum

[bikegeek]

Pull Request Testing

• Describe testing already performed for these changes:
  
  on host 'seneca' retrieved the 4 assets from the release:
  https://github.com/dtcenter/METcalcpy/releases/tag/test2

  via curl:
  curl -LJO https://github.com/dtcenter/METcalcpy/releases/download/test2/checksum_tar.txt
  curl -LJO https://github.com/dtcenter/METcalcpy/releases/download/test2/checksum_zip.txt
  curl -LJO https://github.com/dtcenter/METplotpy/archive/refs/tags/test2.zip
  curl -LJO https://github.com/dtcenter/METplotpy/archive/refs/tags/test2.tar.gz

  checked the checksums via:
      sha256sum -c checksum_tar.txt
      sha256sum -c checksum_zip.txt 
  
  and  verified the output looks like the following:
     METcalcpy-test2.tar.gz: OK 
     METcalcpy-test2.zip: OK 
  

• Recommend testing for the reviewer(s) to perform, including the location of input datasets, and any additional instructions:
  
  repeat the above tests

• Do these changes include sufficient documentation updates, ensuring that no errors or warnings exist in the build of the documentation? [Yes or No]

• Do these changes include sufficient testing updates? [Yes or No]

• Will this PR result in changes to the test suite? [Yes or No]
  
  If yes, describe the new output and/or changes to the existing output:
  

• Please complete this pull request review by COB Monday September 12.
  

Pull Request Checklist

See the METplus Workflow for details.

• Review the source issue metadata (required labels, projects, and milestone).
• Complete the PR definition above.
• Ensure the PR title matches the feature or bugfix branch name.
• Define the PR metadata, as permissions allow.
  Select: Reviewer(s)
  Select: Organization level software support Project or Repository level development cycle Project
  Select: Milestone as the version that will include these changes
• After submitting the PR, select Development with the original issue number.
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• Close the linked issue and delete your feature or bugfix branch from GitHub.