//get All
    public List<Employee> getAllEmployees(){
        List<EmployeeEntity> employeeEntities = employeeRepository.findAll();

        List<Employee> employees = new ArrayList<>();
        for(EmployeeEntity indexValue: employeeEntities){
            employees.add(new Employee(indexValue.getId(),indexValue.getFirstName(),indexValue.getLastName()));
        }
        return employees;
    }