MRG: fix README code blocks #59

	name: "run/test examples"
	on:
	pull_request:
	push:
	branches: [latest]
	jobs:
	mamba:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: cache conda
	uses: actions/cache@v4
	env:
	CACHE_NUMBER: 1
	with:
	path: ~/conda_pkgs_dir
	key:
	${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-${{ hashFiles('environment.yml') }}

	- name: setup conda
	uses: conda-incubator/setup-miniconda@v3
	with:
	auto-update-conda: true
	python-version: 3.12
	channels: conda-forge,bioconda
	miniforge-variant: Mambaforge
	miniforge-version: latest
	use-mamba: true
	mamba-version: "*"
	activate-environment: sourmash_dev
	auto-activate-base: false

	- run: conda info
	- run: conda list
	- run: conda config --show

	- name: install dependencies
	shell: bash -l {0}
	run: mamba env update -n sourmash_dev -f environment.yml

	- name: install package
	shell: bash -l {0}
	run: pip install .

	- name: run python tests
	shell: bash -l {0}
	run: make test

	- name: build examples
	shell: bash -l {0}
	run: make cleanall

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