create ip holder per cluster + tests, update docs #387

	name: Continuous Integration
	on:
	workflow_dispatch: null
	push:
	branches:
	- main
	pull_request: null

	jobs:
	ci:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	go-version: [ 'stable', '1.22' ]
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- uses: actions/setup-go@v4
	with:
	go-version: ${{ matrix.go-version }}
	- name: Vet
	run: make vet
	- name: Lint
	run: make lint
	- name: Helm Lint
	run: make helm-lint
	- name: Test
	run: make test
	- name: Upload coverage reports to Codecov
	uses: codecov/codecov-action@v4
	with:
	files: ./coverage.out
	fail_ci_if_error: true
	verbose: true
	token: ${{ secrets.CODECOV_TOKEN }}
	slug: linode/linode-cloud-controller-manager
	- name: Build
	run: make build
	docker-build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Docker Meta
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: \|
	linode/linode-cloud-controller-manager
	tags: \|
	type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'main') }}
	type=semver,pattern={{raw}},value=${{ github.ref_name }}
	- name: Build Dockerfile
	uses: docker/build-push-action@v5
	with:
	context: .
	push: false
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	build-args: \|
	REV=${{ github.ref_name }}

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