chore: add react native to js examples

Author: jjarvisp

src/pages/[platform]/build-a-backend/auth/connect-your-frontend/sign-in/index.mdx

@@ -66,7 +66,7 @@ The quickest way to get started with Amplify Auth in your frontend application i
 
 {/* signIn api definition */}
 
-<InlineFilter filters={["angular", "javascript", "nextjs", "react", "vue"]}>
+<InlineFilter filters={["angular", "javascript", "nextjs", "react", "react-native", "vue"]}>
 
 ```ts
 import { signIn } from 'aws-amplify/auth'