Add experimental package directory, decision record #27

	name: go-msg
	on:
	push:
	branches:
	- main
	- master
	pull_request:

	permissions:
	contents: read

	jobs:
	lint:
	name: lint
	runs-on: ubuntu-latest
	strategy:
	matrix:
	include:
	- go-version: 1.20.x
	lint-version: v1.53.3
	- go-version: 1.21.x
	lint-version: v1.55.2
	- go-version: 1.22.x
	lint-version: v1.58.1
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-go@v5
	with:
	go-version: ${{ matrix.go-version }}
	- name: golangci-lint
	uses: golangci/golangci-lint-action@v6
	with:
	args: -v
	version: ${{ matrix.lint-version }}

	tests:
	name: tests
	runs-on: ubuntu-latest
	strategy:
	matrix:
	include:
	- go-version: 1.20.x
	- go-version: 1.21.x
	- go-version: 1.22.x
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-go@v2
	name: "install go"
	with:
	go-version: ${{ matrix.go-version }}
	- name: "tests"
	run: go test ./...

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