add golangci-lint and fix linting issues #2

	on: [push, pull_request]
	name: Sanity

	env:
	GO_VERSION: '1.17.x'
	GOLANGCI_LINT_VERSION: 'v1.54.1'

	jobs:
	build:
	name: "Run go sanity tools"
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	include:
	- goos: linux
	goarch: amd64
	- goos: windows
	goarch: amd64
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-go@v4
	with:
	go-version: ${{ env.GO_VERSION }}
	- name: Install golint
	run: curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh \| sh -s -- -b $(go env GOPATH)/bin ${GOLANGCI_LINT_VERSION}
	- name: Lint
	run: make lint
	- name: Fmt
	run: make fmt
	- name: Vet
	run: make vet

	test:
	name: "Run tests"
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-go@v4
	with:
	go-version: ${{ env.GO_VERSION }}
	- name: Test
	run: make test


	# Make sure binaries compile on multiple platforms.
	crossbuild:
	name: "Build / Crossbuild Binaries"
	runs-on: ubuntu-20.04
	strategy:
	fail-fast: false
	matrix:
	include:
	- goos: linux
	goarch: amd64
	- goos: windows
	goarch: amd64
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-go@v4
	with:
	go-version: ${{ env.GO_VERSION }}
	- name: Build
	env:
	GOOS: ${{matrix.goos}}
	GOARCH: ${{matrix.goarch}}
	run: \|
	env \| grep ^GO
	make

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