created Models for the objects returned from the services

Signed-off-by: Matt Bruce <mbrucedogs@gmail.com>

EmployeeDirectory/Models/Employee.swift

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+//
+//  Employee.swift
+//  EmployeeDirectory
+//
+//  Created by Matt Bruce on 1/20/25.
+//
+
+import Foundation
+
+/// EmployeeType enum
+/// - How the employee is classified.
+public enum EmployeeType: String, Codable, CustomStringConvertible {
+    case fullTime = "FULL_TIME"
+    case partTime = "PART_TIME"
+    case contractor = "CONTRACTOR"
+    
+    /// Format the employee type for display
+    public var description: String {
+        switch self {
+        case .fullTime: return "Full-Time"
+        case .partTime: return "Part-Time"
+        case .contractor: return "Contractor"
+        }
+    }
+}
+
+/// Employee Object
+/// JSON Object defintion
+/// - https://square.github.io/microsite/mobile-interview-project/
+public struct Employee: Codable {
+    
+    /// The unique identifier for the employee. Represented as a UUID.
+    public let uuid: UUID
+    
+    /// The full name of the employee.
+    public let fullName: String
+    
+    /// The phone number of the employee, sent as an unformatted string (eg, 5556661234).
+    public let phoneNumber: String?
+    
+    /// The email address of the employee.
+    public let emailAddress: String
+    
+    /// A short, tweet-length (~300 chars) string that the employee provided to describe themselves.
+    public let biography: String?
+    
+    /// The URL of the employee’s small photo. Useful for list view.
+    public let photoURLSmall: String?
+    
+    /// The URL of the employee’s full-size photo.
+    public let photoURLLarge: String?
+    
+    /// The team they are on, represented as a human readable string.
+    public let team: String
+    
+    /// How the employee is classified.
+    public let employeeType: EmployeeType
+    
+    private enum CodingKeys: String, CodingKey {
+        case uuid
+        case fullName = "full_name"
+        case phoneNumber = "phone_number"
+        case emailAddress = "email_address"
+        case biography
+        case photoURLSmall = "photo_url_small"
+        case photoURLLarge = "photo_url_large"
+        case team
+        case employeeType = "employee_type"
+    }
+}

EmployeeDirectory/Models/Employees.swift

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+//
+//  Employees.swift
+//  EmployeeDirectory
+//
+//  Created by Matt Bruce on 1/20/25.
+//
+import Foundation
+
+/// Wrapper JSON Class for the Employees
+public struct Employees: Codable {
+    public var employees: [Employee]
+    
+    private enum CodingKeys: String, CodingKey {
+        case employees
+    }
+}