Added enhanced constructor to Admin Class

src/main/java/org/example/Admin.java

@@ -7,4 +7,10 @@ public class Admin {
 
     public Admin() {
     }
+
+    public Admin(String name, String id, String role) {
+        this.name = name;
+        this.id = id;
+        this.role = role;
+    }
 }