v1.4.0

• Sorting events by start time
• Added GitHub CI action
• Added default development server values if secrets.py does not exist
• Making calendar use ISO 8601 week numbers
• Removed old SQLAlchemyJobStore dependency
• Added week day to cruise day titles
• Added Django Admin static files, to make these look a bit less broken again
• Added script for starting dev server on Windows
• Fixed issue with admins having no control over rejected but previously sent invoices