v1.2.0

Changelog

• 788b6cf Add data export functionality with gzip compression
• 568ba3b Add email logging and SMTP health check
• 935f742 Add filtering support to GET /api/v1/habits endpoint
• 38e640c Add pagination support to GET /api/v1/habits endpoint
• 7575853 Add rate limiting for password reset and improve SMTP tests
• 29f0f9b Add structured logging with zerolog
• f780c69 Add tests for RequestPasswordResetHandler and fix test compilation errors
• 88b5d11 Fix code formatting with gofmt
• 5d92820 Remove timezone from User model and pass as request parameter