Add OpenCL AMD/NVIDIA Linux Build Instructions. #24

	name: Build and Test
	on: [push, pull_request]
	permissions:
	contents: read

	jobs:
	build:
	name: Go CI
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	go: ['1.19', '1.20']
	steps:
	- name: Set up Go
	uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753 #v4.0.1
	with:
	go-version: ${{ matrix.go }}
	- name: Check out source
	uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 #v3.5.3
	- name: Install build dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y beignet-dev nvidia-cuda-dev nvidia-cuda-toolkit ocl-icd-opencl-dev opencl-headers nvidia-opencl-dev
	- name: Install Linters
	run: curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh \| sh -s -- -b $(go env GOPATH)/bin v1.53.3
	- name: Build OpenCL
	env:
	CL_TARGET_OPENCL_VERSION: "220"

	run: go build -tags opencl ./...
	- name: Lint
	run: golangci-lint -c ./.golangci.yml run
	- name: Test
	run: go test -tags opencl -v ./...

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