Logs(React-Native) Add getting started snippet (#14790)

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## DESCRIBE YOUR PR

This change adds an interactive snippet on how to start Sentry React
Native with Log support.

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Author: lucas-zimerman

docs/platforms/react-native/index.mdx

@@ -60,6 +60,7 @@ If you're using Expo, [read our docs](/platforms/react-native/manual-setup/expo/
     'performance',
     'profiling',
     'session-replay',
+    "logs",
   ]}
 />
 
@@ -80,6 +81,11 @@ Sentry.init({
   // https://docs.sentry.io/platforms/react-native/configuration/options/#traces-sample-rate
   tracesSampleRate: 1.0,
   // ___PRODUCT_OPTION_END___ performance
+  // ___PRODUCT_OPTION_START___ logs
+  // Enable logs to be sent to Sentry
+  // Learn more at https://docs.sentry.io/platforms/react-native/logs/
+  enableLogs: true,
+  // ___PRODUCT_OPTION_END___ logs
   // ___PRODUCT_OPTION_START___ profiling
   // profilesSampleRate is relative to tracesSampleRate.
   // Here, we'll capture profiles for 100% of transactions.