Added search in text of some components

Summary: Added a possibility to search for the text not only in name and id of components but also in text for all components, that conforms to a protocol <SKTextSearchable>

Reviewed By: priteshrnandgaonkar

Differential Revision: D16108297

fbshipit-source-id: 31da4ac6762c487ef644d62c9576d9eff43e8cd4

iOS/Plugins/FlipperKitLayoutPlugin/FlipperKitLayoutTextSearchable/FKTextSearchable.h

@@ -0,0 +1,13 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the LICENSE
+ * file in the root directory of this source tree.
+ */
+#import <UIKit/UIKit.h>
+
+@protocol FKTextSearchable <NSObject>
+
+- (NSString *)searchableText;
+
+@end