- Changed `timezones` attribute from text to JSONB in `Country`.
- Updated related model methods to handle JSONB data.
- Added a migration to convert existing timezone data.
- Used safe navigation operators to prevent errors.
This change improves the storage and management of timezone
information by using the JSONB data type. It includes data
migration to handle existing timezone data.
- Implement Country and Region models
- Establish relationships between City, Country, and Region
- Update ActiveAdmin setup for managing countries and regions
- Add localization support for cities and countries in multiple languages
- Create necessary migrations to support the new schema
This update allows for better categorization of cities under their respective countries and regions, enhancing geographical structure and support for multilingual features.