Initial content of Getting Started and 0.1.0 Release Notes

[georgemccabe]

Pull Request Testing

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• 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:
  

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[JohnHalleyGotway]

These doc updates look good. Thanks @georgemccabe.