Log elapsed time at the end of each run. Update `CONTRIBUTING.md` #127

	# 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: Pytest

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

	permissions:
	contents: read

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python 3.13
	uses: actions/setup-python@v3
	with:
	python-version: "3.13"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install pytest-cov click httpx loguru piexif pillow pillow-heif tqdm numpy opencv-python packaging
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	- name: Test with pytest
	run: \|
	pytest --cov-report=term --cov=batch_img tests

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