ci: add coverage workflow #1

	name: coverage

	concurrency:
	group: coverage-${{ github.ref }}
	cancel-in-progress: true

	on:
	push:
	branches: [ main ]

	jobs:
	coverage:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	package:
	- strings/bexp
	steps:
	- name: Set up Go
	uses: actions/setup-go@v5
	with:
	go-version: '>=1.21.5'
	- uses: actions/checkout@v4
	- name: generate coverage
	working-directory: ./${{ matrix.package }}
	run: go test -coverpkg=./... -coverprofile=coverage.out ./...
	- name: upload coverage
	uses: coverallsapp/github-action@v2
	with:
	flag-name: ${{ matrix.package }}
	parallel: true
	github-token: ${{ secrets.GITHUB_TOKEN }}

	finish:
	needs: coverage
	if: ${{ always() }}
	runs-on: ubuntu-latest
	steps:
	- name: Coveralls Finished
	uses: coverallsapp/github-action@v2
	with:
	parallel-finished: true
	carryforward: "strings/bexp"

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