Add Staff and Product info

Products.java

@@ -557,4 +557,14 @@ public class Products { /* a good class, but not as good as cse391 */
                 4.99
         );
     }
+
+    public Product jz283() {
+            return new Product(
+                "McLaren 720s",
+                "A light and strong supercar",
+                "720s.jpeg",
+                "Picture of the supercar",
+                209900.00
+        );
+    }
 }

Staff.java

@@ -578,4 +578,14 @@ public class Staff {
                 "Picture of the ocean"
         );
     }
+
+     public Employee jz283() {
+            return new Employee(
+                "Neil",
+                "Student",
+                "fan of F1",
+                "mclaren_24.jpg",
+                "Picture of the McLaren F1 car"
+        );
+    }
 }