Add basic example

examples/api.rs

@@ -0,0 +1,14 @@
+// Copyright (c) Tribufu. All Rights Reserved.
+// SPDX-License-Identifier: MIT
+
+use dotenv::dotenv;
+use tribufu::apis::tribufu_generated_api::TribufuGeneratedApi;
+use tribufu::TribufuApi;
+
+#[tokio::main]
+async fn main() {
+    dotenv().unwrap();
+    let tribufu = TribufuApi::from_env_or_default(None);
+    let user_info = tribufu.get_user_info().await.unwrap();
+    println!("{:?}", user_info);
+}