Move PGV documentation back into the root README #752

	name: ci

	on:
	push:
	branches:
	- main
	pull_request:
	workflow_dispatch:

	env:
	# Keep these versions in sync with the Dockerfile
	BDR_VER: '6.0.1'
	GO_VER: '1.21.x'
	PGG_VER: 'v1.31.0'
	PROTOC_VER: '24.3'
	PYTHON_VER: '3.8'
	TEST_TAG: protoc-gen-validate:${{ github.sha }}

	jobs:
	ci:
	runs-on: ubuntu-latest
	steps:
	- name: Cache
	uses: actions/cache@v3
	with:
	path: \|
	~/.cache/bazelisk
	~/.cache/bazel
	~/.cache/protoc
	key: ${{ runner.os }}-build-cache
	- name: Checkout
	uses: actions/checkout@v4
	- uses: actions/setup-go@v4
	with:
	go-version: ${{ env.GO_VER }}
	cache: true
	- uses: actions/setup-python@v4
	with:
	python-version: ${{ env.PYTHON_VER }}
	cache: 'pip'
	- name: Install Dependencies
	run: \|
	mkdir -p ~/.cache/protoc
	PROTOC_ZIP="${HOME}/.cache/protoc/${PROTOC_VER}.zip"
	if [[ ! -f "${PROTOC_ZIP}" ]]; then
	curl -fsSL -o "${PROTOC_ZIP}" https://github.com/protocolbuffers/protobuf/releases/download/v${PROTOC_VER}/protoc-${PROTOC_VER}-linux-x86_64.zip
	fi
	unzip -q ${PROTOC_ZIP} -d ~/protoc
	echo "${HOME}/protoc/bin" >> $GITHUB_PATH
	go install google.golang.org/protobuf/cmd/protoc-gen-go@${PGG_VER}
	go install github.com/bazelbuild/buildtools/buildozer@${BDR_VER}
	pip install -r requirements.txt
	- name: Build
	run: make build
	- name: Run
	run: make ci

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