#LSPPDay56
• Added serialize() & deserialize() in Contact class
• Renamed DataContainer → Profile & implemented to_json()/from_json()
• Enhanced main() menu for Profile CRUD + nested Contact options
@lftechnology#LearningWithLeapfrog#60DaysOfLearning2025
#LSPPDay54
• Initialized GitHub repo & C++ project structure
• Built Contact class with full data & methods
• Learned text animation with <chrono> & <thread> header in printWithAnimation() & clearScreen() utility
@lftechnology#LearningWithLeapfrog#60DaysOfLearning2025