Autoformat the whole thing

I've been putting this off because I don't want to have many small
formatting commits, and I don't have any kind of pre-commit hook to do
it for me. So here it is :v

src/cli.rs

@@ -35,6 +35,6 @@ pub enum Commands {
         #[arg(short, long, default_value_t = false)]
         create: bool,
         #[arg()]
-        files: Vec<String>
-    }
+        files: Vec<String>,
+    },
 }