docs: add guides (#258)

apps/public/content/docs/(tracking)/sdks/react-native.mdx

@@ -8,8 +8,13 @@ import { Step, Steps } from 'fumadocs-ui/components/steps';
 import { DeviceIdWarning } from '@/components/device-id-warning';
 import { PersonalDataWarning } from '@/components/personal-data-warning';
 
+import { Callout } from 'fumadocs-ui/components/callout';
 import CommonSdkConfig from '@/components/common-sdk-config.mdx';
 
+<Callout>
+Looking for a step-by-step tutorial? Check out the [React Native analytics guide](/guides/react-native-analytics).
+</Callout>
+
 ## Installation
 
 <Steps>