docs: add migration guide for v5 to v6

docusaurus/docs/reactnative/basics/migrating-from-5.x-to-6.x.mdx

@@ -3,14 +3,14 @@ id: upgrading-from-v5
 title: Migration from 5.x to 6.x
 ---
 
+:::note
+v6.0 is supported on React native version **0.72** onwards.
+:::
+
 ## Changes
 
 The following are the crucial changes of the Stream Chat React Native SDK from version 5.x to 6.x:
 
-:::tip
-The changes are relevant from React Native version **0.72.0** onwards.
-:::
-
 ### Change `react-native-fs` to `react-native-blob-util`
 
 The `react-native-fs` package has been replaced to `react-native-blob-util` in favour of the former not being actively maintained. You can replace it by running the following commands: