Update EXTENDING.md #349

	name: Build and test

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	jobs:
	build-and-test-default:

	runs-on: ubuntu-latest
	strategy:
	fail-fast: true
	matrix:
	python-version: ["3.10"]

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v3
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	sudo apt update -y
	sudo apt install -y build-essential libxml2 libxml2-dev zlib1g-dev python3-tk graphviz
	python -m pip install pip==20.0.2
	python -m pip install .[default]

	- name: Test
	run: python -m pytest tests/test.py


	build-and-test-rcd:

	runs-on: ubuntu-latest
	strategy:
	fail-fast: true
	matrix:
	python-version: ["3.8"]

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v3
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	sudo apt update -y
	sudo apt install -y build-essential libxml2 libxml2-dev zlib1g-dev python3-tk graphviz
	python -m venv env-rcd
	. env-rcd/bin/activate
	python -m pip install pip==20.0.2
	python -m pip install wheel pytest
	python -m pip install .[rcd]
	bash script/link.sh

	- name: Test
	run: \|
	. env-rcd/bin/activate
	python -m pytest tests/test_rcd.py

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