feat(ci): add workflow to compare local and remote meteorites database. #1

	name: Compare meteorites database

	on:

	# Trigger on push to the main branch:
	push:
	branches:
	- main

	# Plan a monthly check to ensure proper integrity.
	schedule:
	- cron: '13 1 14 * *'

	# Provide the option to run it manually if required.
	workflow_dispatch:

	jobs:

	compare:

	# Execute this job on a Linux environment.
	runs-on: ubuntu-latest

	# Define read-only permission.
	permissions:
	contents: read

	steps:

	# 0. Initialize project sources.
	- name: Checkout repository
	uses: actions/checkout@v7

	# 1. Install the Python interpreter.
	- name: Setup Python
	uses: actions/setup-python@v6
	with:
	python-version: '3.12'

	# 2. Download and run the meteorites comparison script.
	- name: Compare meteorites database
	run: \|
	curl -sL "${{ secrets.METEORITES_DIFF_SCRIPT }}" -o meteorites-diff.py && \
	python meteorites-diff.py \
	--local-file data/meteorites.csv \
	--remote-file "${{ secrets.METEORITES_REMOTE_CSV }}"

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