let r2_manager = R2Manager::new(
"my-bucket",
"http://some-id-55353-53535.r2.cloudflarestorage.com",
"some-id-55353-53535",
"some-long-secret-key-55353-53535-55353-53535"
);
let _r2_manager2 = R2Manager::new_with_region(
"bucket-name",
"http://s3.<region>.io.cloud.ovh.net",
"some-id-55353-53535",
"some-secret-55353-53535",
"<region>").await;
r2_manager.upload("test", b"Hello world", Some("max-age=60"), Some("text/plain")).await;
let bytes = r2_manager.get("test").await.unwrap();
println!("{}", String::from_utf8(bytes).unwrap());