Add example for users/{user_list}/recent-listens

examples/users_recent_listens.rs

@@ -0,0 +1,11 @@
+use listenbrainz::Client;
+
+fn main() {
+    let users: Vec<String> = std::env::args().skip(1).collect();
+    let users_ref: Vec<&str> = users.iter().map(String::as_str).collect();
+
+    let mut client = Client::new();
+
+    let result = client.users_recent_listens(&users_ref);
+    println!("{:#?}", result);
+}