Add missing import

Author: moehreag

src/endpoints/hypixel.rs

@@ -10,6 +10,7 @@ use std::{
 	collections::{HashMap, VecDeque},
 	fs::read_to_string,
 	sync::Arc,
+	time::Duration,
 };
 use tokio::sync::RwLock;
 use uuid::Uuid;