fixes readme and playground links (#31) #168

	name: Build
	on:
	push:
	branches: ["main"]
	pull_request:
	branches: ["main"]
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Set up Go
	uses: actions/setup-go@v3
	with:
	go-version: ">=1.19"
	check-latest: true
	cache: true
	- name: Build
	run: go build -v ./...
	- name: Test
	run: go test -v ./...
	- name: Run coverage
	run: go test ./... -race -coverprofile=coverage.out -covermode=atomic
	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v3
	with:
	token: 094a0017-2141-4c42-aa24-d89cf7b0a87a
	build-1-18:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Set up Go
	uses: actions/setup-go@v3
	with:
	go-version: 1.18
	check-latest: true
	cache: true
	- name: Build
	run: go build -v ./...
	- name: Test
	run: go test -v ./...
	build-1-19:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- name: Set up Go
	uses: actions/setup-go@v3
	with:
	go-version: 1.19
	check-latest: true
	cache: true
	- name: Build
	run: go build -v ./...

	- name: Test
	run: go test -v ./...

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