Add redirect prober #20

	name: ci
	on: [push, pull_request]
	jobs:
	build-test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions/cache@v2
	with:
	path: ~/go/pkg/mod
	key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
	- name: Setup Go
	uses: actions/setup-go@v2
	with:
	go-version: '^1.18.0'
	- name: Build
	run: go build ./...
	- name: Test
	run: go test ./... -v
	- name: Format
	run: gofmt -d . && [ -z "$(gofmt -l .)" ]

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