[ios showcase]Configures Resource Bundle and adds Toolbar Coordinator

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 d9a87d5a5f0b4e51198a1513efa29a51532a11eb..299e4d92f001b0713638b70b53fb7776ffc18986 100644
--- a/ios/showcase/core/showcase_model.mm
+++ b/ios/showcase/core/showcase_model.mm
@@ -18,7 +18,7 @@
   return @[
     @{
       showcase::kClassForDisplayKey : @"SettingsViewController",
-      showcase::kClassForInstantiationKey : @"SettingsCoordinator",
+      showcase::kClassForInstantiationKey : @"SCSettingsCoordinator",
       showcase::kUseCaseKey : @"Main settings screen",
     },
     @{
@@ -46,6 +46,11 @@
       showcase::kClassForInstantiationKey : @"SCTabStripCoordinator",
       showcase::kUseCaseKey : @"Tab strip container",
     },
+    @{
+      showcase::kClassForDisplayKey : @"ToolbarViewController",
+      showcase::kClassForInstantiationKey : @"SCToolbarCoordinator",
+      showcase::kUseCaseKey : @"Toolbar",
+    },
   ];
 }