Add py.typed file #211

	name: Notebook Tests

	on:
	pull_request:
	push:
	branches: [main]

	jobs:
	run:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3

	- name: Setup Micromamba Python 3
	uses: mamba-org/setup-micromamba@v1
	with:
	environment-name: TEST
	init-shell: bash
	create-args: >-
	python=3 pip --file requirements.txt --file requirements-dev.txt --channel conda-forge

	- name: Install branca
	shell: bash -l {0}
	run: \|
	python -m pip install -e . --no-deps --force-reinstall

	- name: Notebook tests
	shell: bash -l {0}
	run: \|
	python -m pytest --nbval-lax examples

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