Add reminders to thoughts Get daily prompts as notifications

NEW FREEMIUM MODEL: • Free users get 150 thoughts and 10 tags • Upgrade to Pro for unlimited everything • Enhanced subscription management with RevenueCat IMPROVED SETTINGS: • Clean, native iOS design • Usage tracking • Better account management • Streamlined upgrade flow ENHANCED CLOUD SYNC: • More reliable iCloud synchronization • Better Pro user experience • Improved data migration PERFORMANCE & POLISH: • Faster app startup • Smoother animations • Bug fixes and stability improvements