chore: Add license file

[ko3n1g]

Description

Usage

# Add snippet demonstrating usage

Checklist

• I am familiar with the Contributing Guide.
• New or Existing tests cover these changes.
• The documentation is up to date with these changes.

[sarahyurick]

Looks like there is extra whitespace somewhere here.

[sarahyurick]

Suggested change

	pull_request:
	pull_request:

[ko3n1g]

I added the pull_request event trigger only for debug purposes. I wouldn't recommend pushing to testpypi per commit, as (test)pypi has a max project size which is more likely to be saturated if we push per commit