- Downgrade edition from 2024 to 2021 in Cargo.toml files for compatibility.

- Fix nested `if let` statements to improve readability and correctness.
- Reorganize imports for consistency and structure.

crates/example/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "example"
 version = "0.1.0"
-edition = "2024"
+edition = "2021"
 
 [features]
 # No-op features used only by the example to allow conditional compilation in docs/examples.

crates/example/src/main.rs

@@ -1,12 +1,12 @@
 use axum::{
-    Router,
     extract::{Path, Query},
     response::Json,
     routing::{delete, get, post, put},
+    Router,
 };
 use hyper_custom_cert::HttpClient;
 use serde::{Deserialize, Serialize};
-use serde_json::{Value, json};
+use serde_json::{json, Value};
 use std::collections::HashMap;
 use std::time::Duration;