feat: updated credits to be a class, parsed with new class

Author: XavierCruz5106

lesson_10/libraries/src/loaders/xavier_cruz_loader.ts

@@ -57,11 +57,7 @@ export class XavierCruzLoader implements Loader {
       // cast roleStr to Role type
       const role: Role = roleStr as Role;
 
-      return {
-        mediaItemId,
-        role,
-        name,
-      };
+      return new Credit(mediaItemId, name, role);
     });
 
     return credits;

lesson_10/libraries/src/models/credit.ts

@@ -1,7 +1,13 @@
 import { Role } from './role.js';
 
-export interface Credit {
+export class Credit {
   mediaItemId: string;
   name: string;
   role: Role;
+
+  constructor(mediaItemId: string, name: string, role: Role) {
+    this.mediaItemId = mediaItemId;
+    this.name = name;
+    this.role = role;
+  }
 }