doc: Update README.md to include release process. #25

	# This GitHub action can publish assets for release when a tag is created.
	# Currently its setup to run on any tag that matches the pattern "v*" (ie. v0.1.0).
	#
	# This uses an action (paultyng/ghaction-import-gpg) that assumes you set your
	# private key in the `GPG_PRIVATE_KEY` secret and passphrase in the `PASSPHRASE`
	# secret. If you would rather own your own GPG handling, please fork this action
	# or use an alternative one for key handling.
	#
	# You will need to pass the `--batch` flag to `gpg` in your signing step
	# in `goreleaser` to indicate this is being used in a non-interactive mode.
	#
	name: release
	on:
	push:
	tags:
	- 'v*'
	jobs:
	goreleaser:
	runs-on: ubuntu-latest
	steps:
	-
	name: Checkout
	uses: actions/checkout@v2
	-
	name: Unshallow
	run: git fetch --prune --unshallow
	-
	name: Set up Go
	uses: actions/setup-go@v2
	with:
	go-version: 1.17
	-
	name: Import GPG key
	id: import_gpg
	uses: crazy-max/ghaction-import-gpg@v6
	with:
	gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
	passphrase: ${{ secrets.PASSPHRASE }}
	-
	name: Run GoReleaser
	uses: goreleaser/goreleaser-action@v6
	with:
	version: latest
	args: release --clean
	env:
	GPG_FINGERPRINT: ${{ steps.import_gpg.outputs.fingerprint }}
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	GORELEASER_CURRENT_TAG: ${{ github.ref_name }}

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