ci: add basic build workflow #1

	name: Go
	on: [push, pull_request]
	jobs:

	build:
	runs-on: ubuntu-latest

	steps:
	- name: Set up Go
	uses: actions/setup-go@v5
	with:
	go-version: '1.21'

	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 1

	- name: Cache Go modules
	uses: actions/cache@v4
	with:
	path: \|
	~/.cache/go-build
	~/go/pkg/mod
	key: ${{ runner.os }}-build-${{ hashFiles('**/go.sum') }}
	restore-keys: \|
	${{ runner.os }}-build-

	- name: Build
	run: go build .

	- name: Test
	run: go test -v -count=1 -race ./...

Provide feedback