Add getting started documentation

[NielsJPeschel]

Proposed changes

Update getting started documentation to include yarn/npm commands, as well as the necessary prerequisites to utilize this package

Types of changes

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• Bugfix (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)

Checklist

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• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)
• Any dependent changes have been merged and published in downstream modules

[robertcrockett]

Awesome work! pnpm is starting to gain some popularity. I wonder if it makes sense to add that option for installation as well.

[NielsJPeschel]

Awesome work! pnpm is starting to gain some popularity. I wonder if it makes sense to add that option for installation as well.

Great callout! I will definitely look into this and update the docs accordingly