Update usage texts and man pages #140

	name: Test
	on:
	pull_request:
	push: { branches: master }

	jobs:
	test:
	name: Run test suite

	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v3

	- name: Run shellcheck tests
	run: shellcheck alf setup

	- name: Build container for approval tests
	run: docker compose build

	- name: Run approval tests
	run: docker compose run ci

	- name: Run sanity test in zsh
	run: docker compose run test_zsh

	ubuntu_setup:
	name: Setup on Ubuntu
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v3
	- name: Run setup
	run: ./setup
	- name: Run uninstall
	run: ./uninstall

	macos_setup:
	name: Setup on macOS
	runs-on: macos-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v3
	- name: Upgrade the outdated bash
	run: brew install bash
	- name: Run setup
	run: ./setup
	- name: Run uninstall
	run: ./uninstall

	static_analysis:
	name: Static analysis

	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v3

	# Rush needed for easy installation of latest shfmt
	- name: Install rush
	run: curl -Ls http://get.dannyb.co/rush/setup \| bash

	- name: Connect rush repo
	run: rush clone dannyben --shallow --default

	- name: Install shfmt and opcode
	run: rush get shfmt && rush get opcode

	- name: Run shellcheck tests
	run: op shellcheck

	- name: Run shfmt tests
	run: op shfmt

Provide feedback