Include server examples folder in pyright check (#667)

examples/servers/simple-streamablehttp-stateless/mcp_simple_streamablehttp_stateless/__main__.py

@@ -1,4 +1,7 @@
 from .server import main
 
 if __name__ == "__main__":
-    main()
+    # Click will handle CLI arguments
+    import sys
+    
+    sys.exit(main())  # type: ignore[call-arg]