Format all code following migration to Rust edition 2024

virtweb_backend/examples/api_curl.rs

@@ -55,12 +55,13 @@ fn main() {
 
     let jwt = key.sign_jwt(&claims).expect("Failed to sign JWT!");
 
-    Command::new("curl")
+    let err = Command::new("curl")
         .args(["-X", &args.verb])
         .args(["-H", &format!("x-token-id: {}", args.token_id)])
         .args(["-H", &format!("x-token-content: {jwt}")])
         .args(args.run)
         .arg(full_url)
         .exec();
-    panic!("Failed to run curl!")
+
+    panic!("Failed to run cURL! {err}")
 }