docs(datasets) Add dataset contribution guide #1183

	name: Datasets

	on:
	push:
	branches:
	- main
	paths:
	- "datasets/**"
	- ".github/workflows/datasets.yml"
	- ".github/workflows/datasets-e2e.yml"
	pull_request:
	branches:
	- main
	paths:
	- "datasets/**"
	- ".github/workflows/datasets.yml"
	- ".github/workflows/datasets-e2e.yml"

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref == 'refs/heads/main' && github.run_id \|\| github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	env:
	FLWR_TELEMETRY_ENABLED: 0

	defaults:
	run:
	working-directory: datasets

	jobs:
	test_core:
	runs-on: ubuntu-22.04
	strategy:
	matrix:
	# Latest version which comes cached in the host image can be found here:
	# https://github.com/actions/runner-images/blob/main/images/linux/Ubuntu2204-Readme.md#python
	# In case of a mismatch, the job has to download Python to install it.
	# Note: Due to a bug in actions/setup-python, we have to put "3.10" in
	# quotes as it will otherwise assume "3.1"
	python: ['3.9', '3.10', '3.11']

	name: Python ${{ matrix.python }}

	steps:
	- uses: actions/checkout@v4
	- name: Bootstrap
	uses: ./.github/actions/bootstrap
	with:
	python-version: ${{ matrix.python }}
	- name: Install dependencies (mandatory only)
	run: python -m poetry install --all-extras
	- name: Test (formatting + unit tests)
	run: ./dev/test.sh

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