Add Structured Logging as a feature on the Unreal docs landing page (#15814)

This PR adds a note about the new logs feature to the features list on
the [Unreal docs landing
page](https://docs.sentry.io/platforms/unreal/).

Related to:
- #15064

Author: tustanivsky

docs/platforms/unreal/index.mdx

@@ -23,6 +23,7 @@ Unreal Engine SDK builds on top of other Sentry SDKs and extends them with Unrea
 - Compatible with [Crash Reporter Client](/platforms/unreal/configuration/setup-crashreporter/) provided along with Unreal Engine
 - [PlayStation](/platforms/playstation/), [Xbox](/platforms/xbox/) and [Nintendo Switch](/platforms/nintendo-switch/) support
 - [Release health](/platforms/unreal/configuration/releases/) to keep track of crash free users and sessions
+- [Structured Logging](/platforms/unreal/logs/) to capture and send log messages with additional context
 
 <Alert level="warning">