doc: update example

Author: observerw

examples/handle_message.py

@@ -17,7 +17,7 @@ async def receive_log_message(self, noti: lsp_type.LogMessageNotification) -> No
         print(f"✨ Log Message: {noti.params.message}")
 
 
-async def main():
+async def main() -> None:
     async with CustomClient() as client:
         print(client)
 

examples/pyrefly.py

@@ -15,7 +15,7 @@
 lsp_client.enable_logging()
 
 
-async def main():
+async def main() -> None:
     # Initialize Pyrefly client with local server
     # if `workspace` not specified, defaults to current working directory
     async with PyreflyClient() as client:

examples/rust_analyzer.py

@@ -19,7 +19,7 @@ async def main():
     async with RustAnalyzerClient() as client:
         # Get and display the language ID for this client
         # This should return "rust" for Rust Analyzer
-        print(client.get_language_id())
+        print(client.get_language_config().kind.value)
 
 
 if __name__ == "__main__":