add tests + move segmentation src + add CI #1

	# This workflow will install Python dependencies, run tests and lint with a single version of Python
	# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python

	name: Hest tests

	on:
	push:
	branches: [ "main", "develop"]
	pull_request:
	branches: [ "main" ]

	permissions:
	contents: read

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python 3.9
	uses: actions/setup-python@v3
	with:
	python-version: "3.9"
	- name: Install python dependencies
	run: \|
	python -m pip install -e .
	- name: Install apt dependencies
	run: \|
	apt install libvips libvips-dev openslide-tools
	- name: Run reader tests
	run: \|
	python reader_tests.py
	- name: Run hestdata tests
	run: \|
	python hestdata_tests.py

Provide feedback