Added usage documentation for Structure manipulation and input / output #136

	name: Testing on macos-latest

	on:
	push:
	pull_request:
	schedule:
	- cron: '0 12 * * 0'

	jobs:
	build:
	runs-on: macOS-latest
	timeout-minutes: 60
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: '3.11'

	- name: Set up requirements & configuration variables
	run: \|
	brew update
	brew install cmake
	pip install --upgrade pip wheel
	pip install -r test_requirements.txt

	- name: make
	shell: bash
	run: \|
	pip install .

	- name: make test
	shell: bash
	run: \|
	python -m pytest -rsap python/tests

Provide feedback