Add TabContainer to Showcase

ios/showcase/core/showcase_model.mm

Index: ios/showcase/core/showcase_model.mm
diff --git a/ios/showcase/core/showcase_model.mm b/ios/showcase/core/showcase_model.mm
index 7aafb0c0fc571666956e9e5a197bbd57086400c3..daec8c34fdf5ddf5c6d82f2fe0e4d0fdfba9f865 100644
--- a/ios/showcase/core/showcase_model.mm
+++ b/ios/showcase/core/showcase_model.mm
@@ -17,11 +17,6 @@
 + (NSArray<showcase::ModelRow*>*)model {
   return @[
     @{
-      showcase::kClassForDisplayKey : @"SettingsViewController",
-      showcase::kClassForInstantiationKey : @"SCSettingsCoordinator",
-      showcase::kUseCaseKey : @"Main settings screen",
-    },
-    @{
       showcase::kClassForDisplayKey : @"ContentSuggestionsViewController",
       showcase::kClassForInstantiationKey : @"SCSuggestionsCoordinator",
       showcase::kUseCaseKey : @"New Suggestions UI",
@@ -32,9 +27,9 @@
       showcase::kUseCaseKey : @"Tools menu",
     },
     @{
-      showcase::kClassForDisplayKey : @"UITableViewCell",
-      showcase::kClassForInstantiationKey : @"UIKitTableViewCellViewController",
-      showcase::kUseCaseKey : @"UIKit Table Cells",
+      showcase::kClassForDisplayKey : @"SettingsViewController",
+      showcase::kClassForInstantiationKey : @"SCSettingsCoordinator",
+      showcase::kUseCaseKey : @"Main settings screen",
     },
     @{
       showcase::kClassForDisplayKey : @"TabGridViewController",
@@ -47,10 +42,25 @@
       showcase::kUseCaseKey : @"Tab strip container",
     },
     @{
+      showcase::kClassForDisplayKey : @"TopToolbarTabViewController",
+      showcase::kClassForInstantiationKey : @"SCTopToolbarTabCoordinator",
+      showcase::kUseCaseKey : @"Top toolbar tab",
+    },
+    @{
+      showcase::kClassForDisplayKey : @"BottomToolbarTabViewController",
+      showcase::kClassForInstantiationKey : @"SCBottomToolbarTabCoordinator",
+      showcase::kUseCaseKey : @"Bottom toolbar tab",
+    },
+    @{
       showcase::kClassForDisplayKey : @"ToolbarViewController",
       showcase::kClassForInstantiationKey : @"SCToolbarCoordinator",
       showcase::kUseCaseKey : @"Toolbar",
     },
+    @{
+      showcase::kClassForDisplayKey : @"UITableViewCell",
+      showcase::kClassForInstantiationKey : @"UIKitTableViewCellViewController",
+      showcase::kUseCaseKey : @"UIKit Table Cells",
+    },
   ];
 }