add bulk delete route for templates

Author: roncodes

src/routes.php

@@ -318,6 +318,7 @@ function ($router, $controller) {
                                 $router->fleetbaseRoutes('templates', function ($router, $controller) {
                                     $router->get('context-schemas', $controller('contextSchemas'));
                                     $router->post('preview', $controller('previewUnsaved'));
+                                    $router->delete('bulk-delete', $controller('bulkDelete'));
                                     $router->post('{id}/preview', $controller('preview'));
                                     $router->post('{id}/render', $controller('render'));
                                 });