Add `none` formatting option #91

	name: Go
	on: [push, pull_request]
	jobs:
	test:
	name: Go test ${{ matrix.go }}
	runs-on: ubuntu-latest
	strategy:
	matrix:
	go: ['1.15', '1.16', '1.17', '1.18', '1.19', '1.20']
	steps:
	- uses: actions/checkout@master
	- name: Setup go
	uses: actions/setup-go@v4
	with:
	go-version: ${{ matrix.go }}
	- name: go get & test
	run: \|
	go get -v -t -d ./...
	go test -v ./...

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