added missing edit vehicle button and close button for modal in mobile view.

Views/Vehicle/Index.cshtml

@@ -18,6 +18,9 @@
         <li class="nav-item" role="presentation">
             <button class="nav-link" onclick="returnToGarage()"><span class="display-3 ms-2"><i class="bi bi-arrow-left-square"></i>Garage</span></button>
         </li>
+        <li class="nav-item" role="presentation">
+            <button class="nav-link" onclick="editVehicle(@Model.Id)"><span class="display-3 ms-2"><i class="bi bi-pencil-square"></i>Edit Vehicle</span></button>
+        </li>
         <li class="nav-item" role="presentation">
             <button class="nav-link active" id="servicerecord-tab" data-bs-toggle="tab" data-bs-target="#servicerecord-tab-pane" type="button" role="tab" aria-selected="true"><span class="display-3 ms-2"><i class="bi bi-card-checklist me-2"></i>Service Records</span></button>
         </li>

Views/Vehicle/_VehicleModal.cshtml

@@ -8,6 +8,15 @@
 }
 <div class="modal-header">
     <h5 class="modal-title" id="addVehicleModalLabel">@(isNew ? "Add New Vehicle" : "Edit Vehicle")</h5>
+    @if (isNew)
+    {
+        <button type="button" class="btn-close" onclick="hideAddVehicleModal()" aria-label="Close"></button>
+    }
+    else if (!isNew)
+    {
+        <button type="button" class="btn-close" onclick="hideEditVehicleModal()" aria-label="Close"></button>
+    }
+    
 </div>
 <div class="modal-body">
     <form class="form-inline">