adding jupyblog version to rendered version, fixing mistune version #215

	name: CI

	on: [push, pull_request]

	jobs:
	unit-test:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.7, 3.8, 3.9]

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Lint with flake8
	run: \|
	pip install --upgrade pip
	pip install flake8
	flake8

	- name: Install dependencies
	run: \|
	pip install .
	# check package is importable
	python -c "import jupyblog"
	python -c "import jupyblog.cli"
	pip install ".[dev]"

	- name: Test with pytest
	run: \|
	pytest

	readme-test:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.9]

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install jupyblog
	run: \|
	pip install --upgrade pip
	pip install nbclient pkgmt
	pip install .
	- name: Test readme
	run: \|
	pkgmt test-md --file README.md --inplace

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