doc: add iterators #143

	# This is a basic workflow to help you get started with Actions

	name: CI

	# Controls when the action will run. Triggers the workflow on push or pull request
	# events but only for the master branch
	on:
	push:
	branches: [ main ]

	# A workflow run is made up of one or more jobs that can run sequentially or in parallel
	jobs:
	# This workflow contains a single job called "build"
	build:
	# The type of runner that the job will run on
	runs-on: ubuntu-latest
	timeout-minutes: 60

	# Steps represent a sequence of tasks that will be executed as part of the job
	steps:
	- name: Set up Go 1.15
	uses: actions/setup-go@v1
	with:
	go-version: 1.15
	id: go

	# Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
	- uses: actions/checkout@v2

	# Runs a single command using the runners shell
	- name: build
	env:
	USER: ${{ secrets.SERVER_USER }}
	TARGET: ${{ secrets.SERVER_PATH }}
	KEY: ${{ secrets.SERVER_KEY }}
	DOMAIN: ${{ secrets.SERVER_DOMAIN }}
	run: \|
	go run .
	mv assets public/
	mkdir ~/.ssh
	echo "$KEY" \| tr -d '\r' > ~/.ssh/id_ed25519
	chmod 400 ~/.ssh/id_ed25519
	eval "$(ssh-agent -s)"
	ssh-add ~/.ssh/id_ed25519
	ssh-keyscan -H $DOMAIN >> ~/.ssh/known_hosts
	scp -r public/* $USER@$DOMAIN:$TARGET

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