451ed4fec2
<SRS>SRS02 : Employee Management </SRS> <Changes> - Implemented serialization and deserialization for Employee and GeneralEmployee models - Added FileManager integration to load employees from CSV files - Introduced ApplicationConfig entries for employee file paths - Updated Employee ID handling (getEmployeeId → getId) across project - Modified FileIO to auto-create file if not found instead of throwing exception - Added constructors for all employee types to support deserialization - Implemented loadEmployees in service and loadStates in controller - Ensured default admin creation if none exists during load - Added StringHelper utility for extracting numeric IDs - Extended Enums with string conversion and parsing utilities - Added initial CSV files for Employee and GeneralEmployee data - Improved login error message formatting and minor cleanup - Setup gitignore to not track csv files </Changes>