added sfloader for file uploads.

Views/Vehicle/_Gas.cshtml

@@ -12,8 +12,14 @@
             <span class="ms-2 badge bg-success">@($"Total Fuel Consumed: {Model.Sum(x=>x.Gallons)}")</span>
             <span class="ms-2 badge bg-success">@($"Total Cost: {Model.Sum(x => x.Cost).ToString("C")}")</span>
         </div>
-        <div>
+        <div class="btn-group">
             <button onclick="showAddGasRecordModal()" class="btn btn-primary btn-md mt-1 mb-1"><i class="bi bi-pencil-square me-2"></i>Add Gas Record</button>
+            <button type="button" class="btn btn-md btn-primary btn-md mt-1 mb-1 dropdown-toggle dropdown-toggle-split" data-bs-toggle="dropdown" aria-expanded="false">
+                <span class="visually-hidden">Toggle Dropdown</span>
+            </button>
+            <ul class="dropdown-menu">
+                <li><a class="dropdown-item" href="#" onclick="showBulkImportModal('gas')">Import via CSV</a></li>
+            </ul>
         </div>
     </div>
 </div>