refactoring: reformat and import sort in logout

src/builtins/logout.rs

@@ -1,16 +1,15 @@
-use system_shutdown::logout;
 use crate::builtins::{Builtin, BuiltinConfig};
 use crate::error::ShellError;
+use system_shutdown::logout;
 
 pub struct Logout;
 
 impl Builtin for Logout {
     fn execute(&mut self, _: &mut BuiltinConfig, _: Vec<String>) -> Result<(), ShellError> {
         match logout() {
-                Ok(_)=>println!("Logging out"),
+            Ok(_) => println!("Logging out"),
             Err(error) => eprintln!("Failed to log out: {}", error),
         }
         Ok(())
-
     }
 }