Refactor, add tests and coverage badge #1

	name: test

	on:
	push:

	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version: '>=1.21.5'
	- name: Test
	run: go test -v ./...
	- name: Update coverage report
	uses: ncruces/go-coverage-report@v0
	with:
	report: true
	chart: true
	amend: true
	continue-on-error: true

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