Pinterest Integration:
- Add Pinterest OAuth controller and routes
- Add PinterestPublisher service with support for pins, video pins, and carousels
- Add PinterestPreview component with board selector and content type options
- Add Pinterest content types enum (Pin, VideoPin, Carousel)
- Add Pinterest to Platform enum with proper configuration
- Support sandbox mode via PINTEREST_SANDBOX env variable
- Pass platform-specific data (boards) through PlatformPreview
Language Feature:
- Add languages table with migration
- Add Language model and seeder (en-US, pt-BR)
- Add LanguageCombobox component for profile settings
- Set default language (en-US) on user registration
- Add language_id foreign key to users table
UI Improvements:
- Refactor PlatformPreview to support contentTypeOptions, meta, and platformData props
- Move content type and board selectors into platform-specific preview components
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
