Update installation instructions in README.md #54

	name: CI

	on: [push, pull_request]

	jobs:
	build:
	name: Build
	runs-on: ubuntu-latest
	steps:

	- name: Set up Go 1.x
	uses: actions/setup-go@v2
	with:
	go-version: ^1.13
	id: go

	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Set up cache
	uses: actions/cache@v2
	with:
	path: ~/go/pkg/mod
	key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
	restore-keys: \|
	${{ runner.os }}-go-

	- name: Get dependencies
	run: go get -v -t -d .

	- name: Build go
	run: go build

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