add initial test coverage, build, benchmarks; add more filter options #1

	name: Go

	on:
	push:
	branches:
	- main
	tags:
	- v*

	jobs:
	test:
	name: Test
	runs-on: ubuntu-latest
	steps:
	- name: Set up Go
	uses: actions/setup-go@v2
	with:
	go-version: 1.17

	- name: Check out code
	uses: actions/checkout@v2

	- name: Get dependencies
	run: go mod download

	- name: Run tests
	run: go test -v ./...

	- name: Run Benchmarks and Store Results
	run: go test -bench=. -benchmem ./... 2>&1 \| tee bench.txt
	- name: Upload Benchmark Results
	uses: actions/upload-artifact@v2
	with:
	name: benchmark-results
	path: bench.txt

	release:
	needs: test
	runs-on: ubuntu-latest
	steps:
	- name: Check out code
	uses: actions/checkout@v2

	- name: Calculate Version
	id: calc_version
	run: echo "::set-output name=version::$(cat VERSION)"
	continue-on-error: true

	- name: Create Release
	id: create_release
	uses: actions/create-release@v1
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	with:
	tag_name: ${{ steps.calc_version.outputs.version }}
	release_name: Release ${{ steps.calc_version.outputs.version }}
	draft: false
	prerelease: false

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