add License badge #27

	name: Run checks

	on:
	push:
	branches: [ "master" ]
	pull_request:
	branches: [ "master" ]

	jobs:
	luacheck:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@master

	- name: Setup Tarantool
	uses: tarantool/setup-tarantool@v2
	with:
	tarantool-version: '2.8'

	- name: Setup tt
	run: \|
	curl -L https://tarantool.io/release/2/installer.sh \| sudo bash
	sudo apt install -y tt
	tt version

	- name: Setup luacheck
	run: tt rocks install luacheck 0.25.0

	- name: Run luacheck
	run: ./.rocks/bin/luacheck .

	golangci-lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/setup-go@v2

	- uses: actions/checkout@v2

	- name: golangci-lint
	uses: golangci/golangci-lint-action@v3
	continue-on-error: true
	with:
	# The first run is for GitHub Actions error format.
	args: --config=.golangci.yaml

	- name: golangci-lint
	uses: golangci/golangci-lint-action@v3
	with:
	# The second run is for human-readable error format with a file name
	# and a line number.
	args: --out-${NO_FUTURE}format colored-line-number --config=.golangci.yaml

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