Make `multifunctional` and `bw_simapro_csv` optional #8

	---
	# Inspired from:
	# https://packaging.python.org/en/latest/guides/publishing-package-distribution-releases-using-github-actions-ci-cd-workflows/
	name: Publish Python 🐍 distributions 📦 to TestPyPI

	on:
	push:
	branches: [main]

	jobs:
	build-n-publish:
	name: Build and publish Python 🐍 distributions 📦 to TestPyPI
	runs-on: ubuntu-latest
	if: github.ref == 'refs/heads/main'
	permissions:
	id-token: write
	steps:
	- run: echo "Triggered workflow with github ref $GITHUB_REF"
	- uses: actions/checkout@v4
	- name: Set up Python 3.11
	uses: actions/setup-python@v5
	with:
	python-version: "3.11"
	- name: Install pypa/build
	run: >-
	python -m
	pip install
	build
	--user
	- name: Build a binary wheel and a source tarball
	run: >-
	python -m
	build
	--outdir dist/
	.
	- name: Publish distribution 📦 to Test PyPI
	uses: pypa/gh-action-pypi-publish@release/v1
	with:
	repository-url: https://test.pypi.org/legacy/
	skip-existing: true

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