AWS Boarding Pass Email and GraphML

New

• Added personal stats block to index pages
• Added GraphML download link to all maps.
• Added API endpoints
  • recent_flights
  • annual_flight_summary
  • all_flights

Changed

• Upgraded to Ruby 3.4 and Rails 8.0.
• Changed boarding pass email handling from IMAP to SES and S3.

Removed

• Removed boarding pass parser (relocated to https://paulbogard.net/boarding-pass-parser/).
• Removed data viewing for visitors (viewing data now requires login).