Provide default rtd config file #23

# to view logs

	name: testing

	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master
	jobs:
	build:
	runs-on: ubuntu-18.04
	strategy:
	matrix:
	python-version: [3.6, 3.7, 3.8, 3.9]
	steps:
	- uses: actions/checkout@v2
	- name: Setup Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python --version
	python -m pip install --upgrade pip
	wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh;
	bash miniconda.sh -b -p $HOME/miniconda
	source "$HOME/miniconda/etc/profile.d/conda.sh"
	hash -r
	conda config --set always_yes yes --set changeps1 no
	conda update -q conda
	conda info -a
	# nbconvert needs pandoc
	conda create -q -n test-environment -c conda-forge python=${{ matrix.python-version }} pandoc
	conda activate test-environment
	pip install -v .[test]
	- name: Testing
	run: \|
	source "$HOME/miniconda/etc/profile.d/conda.sh"
	conda activate test-environment
	pytest -v
	pytest -v # run test twice because the first run populates the cache, so they are not exactly equivalent

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