RN_API - fixed broken link

KB request: https://appsflyer.slack.com/archives/C5RDRS58X/p1742339291913059

Author: dori-af

Docs/RN_API.md

@@ -1173,7 +1173,7 @@ appsFlyer.initSdk(/*...*/);
 ### onDeepLink
 `onDeepLink(callback) : function:unregister`
 
- This API is related to DeepLinks. Please read more [here](./DeepLink.md)
+ This API is related to DeepLinks. Please read more [here](https://dev.appsflyer.com/hc/docs/rn_deeplinkintegrate)
 
 | parameter    | type     | description                               |
 | -----------  |----------|------------------------------------------ |