docs: add platform-specific installation instructions #15

	name: CI

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

	jobs:
	test:
	name: Test
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Setup Go
	uses: actions/setup-go@v5
	with:
	go-version: '1.21'
	cache: true

	- name: Download dependencies
	run: go mod download

	- name: Run tests
	run: go test -v -race -coverprofile=coverage.out ./...

	- name: Upload coverage
	uses: codecov/codecov-action@v4
	with:
	files: ./coverage.out
	fail_ci_if_error: false

	lint:
	name: Lint
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Setup Go
	uses: actions/setup-go@v5
	with:
	go-version: '1.21'
	cache: true

	- name: Run golangci-lint
	uses: golangci/golangci-lint-action@v4
	with:
	version: latest
	args: --timeout=5m

	build:
	name: Build
	runs-on: ubuntu-latest
	needs: [test, lint]
	strategy:
	matrix:
	goos: [linux, darwin, windows]
	goarch: [amd64, arm64]
	exclude:
	- goos: windows
	goarch: arm64
	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Setup Go
	uses: actions/setup-go@v5
	with:
	go-version: '1.21'
	cache: true

	- name: Build binary
	env:
	GOOS: ${{ matrix.goos }}
	GOARCH: ${{ matrix.goarch }}
	run: \|
	EXT=""
	if [ "$GOOS" = "windows" ]; then
	EXT=".exe"
	fi
	go build -ldflags="-s -w -X main.version=dev" -o haft-${{ matrix.goos }}-${{ matrix.goarch }}${EXT} ./cmd/haft

	- name: Upload artifact
	uses: actions/upload-artifact@v4
	with:
	name: haft-${{ matrix.goos }}-${{ matrix.goarch }}
	path: haft-*

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