feat(docs): update example app language for publishing release (#21)

Author: jhampton

example/src/screens/ReaderScreen.tsx

@@ -3,8 +3,8 @@ import { BibleReaderView } from "@youversion/platform-sdk-reactnative";
 export function ReaderScreen() {
   return (
     <BibleReaderView
-      appName="Sample App"
-      signInMessage="Explore the sample app!"
+      appName="Example App"
+      signInMessage="Explore the example app!"
     />
   );
 }