Add usage command and allow running the emulator with no serial conne… #8

	name: Build Workflow for elm327-emulator.exe/zip

	on:
	push:
	tags:
	- "v..*"

	jobs:
	build-windows:
	runs-on: windows-latest
	steps:
	- name: Git Checkout
	uses: actions/checkout@v4

	- name: Install Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.11'
	architecture: 'x64'

	- name: Install Python Requirements
	run: \|
	python -m pip install --upgrade pip
	#pip install git+https://github.com/pyinstaller/pyinstaller@develop
	pip install pyinstaller
	pip install .

	- name: Create wrapper
	run: \|
	echo "import sys
	from elm import main
	sys.exit(main())" > elm327-emulator.py
	shell: pwsh

	- name: Run PyInstaller to produce the exe file
	run: \|
	python -m PyInstaller --onefile elm327-emulator.py --name elm327-emulator --collect-all elm

	- name: Zip the elm327-emulator.exe asset to elm327-emulator.zip
	run: \|
	Compress-Archive dist/elm327-emulator.exe dist/elm327-emulator.zip
	shell: pwsh

	- name: Generate Changelog
	run: >
	echo "The elm327-emulator.exe executable file in the
	elm327-emulator.zip archive within the assets below is
	auto-generated by a [GitHub Action](.github/workflows/build.yml)."
	> ${{ github.workspace }}-CHANGELOG.txt

	- name: Create Release, uploading the elm327-emulator.zip asset
	uses: softprops/action-gh-release@v2
	if: startsWith(github.ref, 'refs/tags/')
	with:
	body_path: ${{ github.workspace }}-CHANGELOG.txt
	files: dist/elm327-emulator.zip
	append_body: true
	generate_release_notes: true

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