Setup basic UI and controller for authentication

<SRS> SRS01 : Authentication </SRS>

<Changes>
- Added basic UI structure with UserInterface and role-based menus
- Created menu classes for different roles (Admin, HR, IT, etc.)
- Connected ZenvyController with all required services
- Updated AuthenticationManagementService
- Added FAQ model
</Changes>

<Review>
Smitha Mohan
</Review>

Trenser.Zenvy/Trenser.Zenvy/services/AuthenticationManagementService.h

@@ -1,5 +1,16 @@
 #pragma once
+#include <string>
+#include <map>
+#include <utility>
+#include "DataStore.h"
+
 class AuthenticationManagementService
 {
+private:
+	DataStore& m_dataStore;
+public:
+	AuthenticationManagementService() : m_dataStore(DataStore::getInstance()) {};
+	void logout();
+	void changePassword();
 };