Add helm repo installation doc #919

	name: CI Workflow
	on:
	pull_request:
	jobs:
	gen-check:
	runs-on: ubuntu-22.04
	name: Gen check
	timeout-minutes: 40
	steps:
	- name: Install Go
	uses: actions/setup-go@v4
	with:
	go-version: 1.20.x
	- name: Checkout code
	uses: actions/checkout@v3
	- name: Run gen-check
	run: \|
	make gen-check
	lint:
	runs-on: ubuntu-22.04
	name: Lint
	timeout-minutes: 40
	steps:
	- name: Install Go
	uses: actions/setup-go@v4
	with:
	go-version: 1.20.x
	- name: Install Node
	uses: actions/setup-node@v3
	with:
	node-version: 16
	- name: Install Markdownlint
	run: \|
	npm install -g markdownlint-cli
	- name: Checkout code
	uses: actions/checkout@v3
	- name: Run lint
	run: \|
	make lint
	build:
	name: Compile
	runs-on: ubuntu-22.04
	steps:
	- name: checkout code
	uses: actions/checkout@v3
	with:
	# Number of commits to fetch. 0 indicates all history for all branches and tags.
	# We need to guess version via git tags.
	fetch-depth: 0
	- name: install Go
	uses: actions/setup-go@v4
	with:
	go-version: 1.20.x
	- name: compile
	run: make build
	- name: docker build
	run: make docker

	test:
	name: Unit test
	runs-on: ubuntu-22.04
	steps:
	- name: checkout code
	uses: actions/checkout@v3
	- name: install Go
	uses: actions/setup-go@v4
	with:
	go-version: 1.20.x
	- name: make test
	run: make test

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