Update readme to show the correct usage #48

	# Test the action

	name: Tests

	on:
	# Run tests when pushed
	push:

	env:
	# The string echoed back by Wasmer
	ECHO_STRING: Hello from WASM!

	jobs:
	test:
	name: Test on ${{ matrix.os }}
	strategy:
	matrix:
	os:
	- macos-latest
	- ubuntu-latest
	- windows-latest
	runs-on: ${{ matrix.os }}
	steps:
	# Checkout source code
	- name: Checkout source code
	uses: actions/checkout@v3

	# Setup Wasmer
	- name: Setup Wasmer
	uses: ./

	# Verify Wasmer is installed
	- name: Verify Wasmer is installed
	shell: pwsh
	run: \|
	Get-Command wasmer

	# Verify Wasmer runs
	- name: Verify Wasmer runs
	run: \|
	wasmer run https://wasmer.io/robert/[email protected] -- "${{ env.ECHO_STRING }}" > output.txt
	grep "${{ env.ECHO_STRING }}" output.txt

	test-versions:
	name: Test v${{ matrix.version }} on ${{ matrix.os }}
	strategy:
	matrix:
	os:
	- macos-latest
	- ubuntu-latest
	- windows-latest
	version:
	- 3.2.0
	- 3.3.0
	- 4.0.0
	- 4.1.0
	- 4.2.0
	- 4.2.5
	runs-on: ${{ matrix.os }}
	steps:
	# Checkout source code
	- name: Checkout source code
	uses: actions/checkout@v3

	# Setup Wasmer
	- name: Setup Wasmer
	uses: ./
	with:
	version: v${{ matrix.version }}

	- name: Verify Wasmer is installed
	shell: pwsh
	run: \|
	Get-Command wasmer

	# Verify Wasmer version is correct
	- name: Verify Wasmer version is correct
	uses: MeilCli/[email protected]
	with:
	command: wasmer --version
	expect_contain: ${{ matrix.version }}

	# Verify Wasmer runs
	- name: Verify Wasmer runs
	run: \|
	wasmer run robert/[email protected] -- "${{ env.ECHO_STRING }}" > output.txt
	grep "${{ env.ECHO_STRING }}" output.txt

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