General clarification in syntax description and README #1456

	name: Create Examples

	on: [push, pull_request, workflow_dispatch]

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	max-parallel: 4
	matrix:
	python-version: [3.7, 3.8]
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Setup Graphviz
	uses: ts-graphviz/setup-graphviz@v1
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install .
	- name: Create Examples
	run: PYTHONPATH=$(pwd)/src:$PYTHONPATH cd src/wireviz/ && python build_examples.py
	- name: Upload examples, demos, and tutorials
	uses: actions/upload-artifact@v2
	with:
	name: examples-and-tutorials
	path: \|
	examples/
	tutorial/

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