Add hover support to README features

Added hover support to the features list in README.

Author: AJenbo

README.md

@@ -7,9 +7,10 @@ A PHP Language Server Protocol (LSP) implementation in Rust.
 ## Features
 
 - LSP lifecycle management (initialize, shutdown, document sync)
-- Hover support
 - Basic completion
 
+<img width="683" height="339" alt="image" src="https://github.com/user-attachments/assets/65e8220d-5d94-466f-aea7-2f239a8d4b19" />
+
 ## Building
 
 ```bash