validate remote list status

src/list.rs

@@ -28,7 +28,14 @@ impl List {
         let mut index = HashSet::new();
         for i in list {
             for line in if i.contains("://") {
-                reqwest::get(i).await?.text().await?
+                let response = reqwest::get(i).await?;
+                let status = response.status();
+                if status.is_success() {
+                    response.text().await?
+                } else {
+                    warn!("Could not receive remote list `{i}`: `{status}`");
+                    continue;
+                }
             } else {
                 fs::read_to_string(i).await?
             }