docs: update convert_coordinate example in readme #84

	name: Checks
	on: [push, pull_request]
	jobs:
	python-lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- name: Setup Python
	uses: actions/setup-python@v4
	with:
	python-version: 3.11

	- name: Install dependencies
	run: python3 -m pip install ".[dev]"

	- name: Check style
	run: python3 -m ruff check . && ruff format --check .
	rust-lint:
	runs-on: ubuntu-latest
	defaults:
	run:
	working-directory: ./rust
	steps:
	- uses: actions/checkout@v3

	- name: Update Rust
	run: rustup update stable && rustup default stable

	- name: Install rustfmt
	run: rustup component add rustfmt

	- run: cargo fmt -- --check
	unit-tests:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
	steps:
	- uses: actions/checkout@v3

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install dependencies
	run: python3 -m pip install ".[tests]"

	- name: Run tests
	run: python3 -m pytest tests/

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