v1.0.0: Stable release

• Added --max-size for compatibility with Google Calendar
• Added --csv to accept input from other sources than strava-offline
• Improved README

Full Changelog: v1.0.0a3...v1.0.0

v1.0.0a3: Test upload with bumped actions/*-artifact

Merge branch 'template'

v1.0.0a2: Update PyPI URLs

Merge branch 'template'

v1.0.0a1: First alpha

Full Changelog: https://github.com/liskin/strava-ical/commits/v1.0.0a1