Add CI workflow for linting, tests, and coverage #1

	name: CI

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	jobs:
	lint:
	name: Lint
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-go@v5
	with:
	go-version: "1.23"
	- uses: golangci/golangci-lint-action@v6
	with:
	version: latest

	test:
	name: Test
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-go@v5
	with:
	go-version: "1.23"

	- name: Run library tests with coverage
	run: go test -race -coverprofile=coverage.out -covermode=atomic ./...

	- name: Report coverage
	run: \|
	go tool cover -func=coverage.out
	COVERAGE=$(go tool cover -func=coverage.out \| grep total \| awk '{print $3}' \| tr -d '%')
	echo "Total coverage: ${COVERAGE}%"
	if [ "$(echo "$COVERAGE < 40" \| bc)" -eq 1 ]; then
	echo "::error::Coverage ${COVERAGE}% is below 40% threshold"
	exit 1
	fi

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