adding inverse joins #71

	name: Codecov workflow

	on: [push, pull_request]

	jobs:
	build:
	runs-on: ubuntu-latest
	name: Test code coverage
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: '3.9'
	- name: Install requirements
	run: pip install -r requirements.txt pytest-cov coverage DeepDiff
	- name: Build yatter
	run: \|
	cd src
	pip install .
	- name: Run tests and collect coverage
	run: coverage run --source yatter -m pytest
	- name: Upload coverage reports to Codecov with GitHub Action
	uses: codecov/codecov-action@v3

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