Fix typo in file name in README to remove extra space

Author: tallesborges

readme.md

@@ -70,7 +70,7 @@ Configure Ray to send events to `localhost:23517`:
 ```
 src/
 ├── main.rs           # Application entry point
-├── app.rs            # GUI application logic  
+├── app.rs            # GUI application logic
 ├── server.rs         # HTTP server implementation
 ├── event_storage.rs  # Event storage and management
 ├── events/           # Event processing modules
@@ -124,4 +124,4 @@ This project is open source and available under the [MIT License](LICENSE).
 ## Resources
 
 - [GPUI Framework](https://github.com/zed-industries/zed/tree/main/crates/gpui)
-- [Ray Documentation](https://spatie.be/docs/ray)
+- [Ray Documentation](https://spatie.be/docs/ray)