Implement View Technician Notifications

<UserStory> NOT003: View Technician Notifications </UserStory>

<Changes>
    1. Added MenuHelper.h to the project for shared notification viewing helper support.
    2. Updated TechnicianMenu.cpp to include MenuHelper.h and route viewNotifications() through the shared notification handler.
</Changes>

<Test>

    Precondition:
    1. Technician user exists and is logged into the system.
    2. Technician has one or more notifications available.
    3. “View Notifications” option is visible in the Technician menu.

    Steps:
    1. Navigate to Technician Menu.
    2. Select “View Notifications”.
    3. Verify that the system displays a list of notifications showing title, message, and timestamp.
    4. Select a notification to view full details.
       - Verify that the selected notification is displayed and deleted after viewing.
    5. Return to the notification list or reopen “View Notifications”.
       - Verify that the previously viewed notification is no longer present.

</Test>

<Review>
    Sreeja Reghukumar, please review
</Review>

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem.vcxproj

@@ -180,6 +180,7 @@
     <ClInclude Include="utilities\Vector.h" />
     <ClInclude Include="views\AdminMenu.h" />
     <ClInclude Include="views\CustomerMenu.h" />
+    <ClInclude Include="views\MenuHelper.h" />
     <ClInclude Include="views\TechnicianMenu.h" />
     <ClInclude Include="views\UserInterface.h" />
   </ItemGroup>

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/MenuHelper.h

@@ -0,0 +1,6 @@
+#pragma once
+#include "Controller.h"
+
+inline void viewAndDeleteNotification(Controller& controller)
+{
+}

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/TechnicianMenu.cpp

@@ -1,6 +1,7 @@
 #include "TechnicianMenu.h"
 #include "InputHelper.h"
 #include "OutputHelper.h"
+#include "MenuHelper.h"
 
 void TechnicianMenu::showMenu()
 {
@@ -37,4 +38,5 @@ void TechnicianMenu::completeJob()
 
 void TechnicianMenu::viewNotifications()
 {
+	viewAndDeleteNotification(m_controller);
 }