add `Append` to readme #28

	name: "Tests"

	on:
	push:
	pull_request:

	jobs:
	test:
	env:
	GOPATH: ${{ github.workspace }}

	defaults:
	run:
	working-directory: ${{ env.GOPATH }}/src/github.com/${{ github.repository }}

	strategy:
	matrix:
	go-version: [1.18.x, 1.19.x, 1.20.x, 1.21.x, 1.22.x, 1.23.x]
	os: [ubuntu-latest, windows-latest]

	runs-on: ${{ matrix.os }}

	steps:
	- name: Install Go
	uses: actions/setup-go@v5
	with:
	go-version: ${{ matrix.go-version }}
	check-latest: true
	cache: false
	- name: Checkout code
	uses: actions/checkout@v4
	with:
	path: ${{ env.GOPATH }}/src/github.com/${{ github.repository }}
	- name: Test
	run: \|
	go test

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