Enhance URL parsing error handling in main function by logging errors when URL parsing fails.

src/main.rs

@@ -108,7 +108,13 @@ async fn main() -> anyhow::Result<()> {
             let url_file = tokio::fs::read_to_string(url_file).await?;
             let urls: Box<[url::Url]> = url_file
                 .lines()
-                .filter_map(|line| url::Url::parse(line).ok())
+                .filter_map(|line| match url::Url::parse(line) {
+                    Ok(url) => Some(url),
+                    Err(e) => {
+                        tracing::error!("Failed to parse URL: {line}: {e}");
+                        None
+                    }
+                })
                 .collect();
             tracing::info!("{} URLs found in {url_file}", urls.len());
             let exploiter = Exploiter::new(COMMANDS.clone());