fix: fix mikan web extractors

apps/recorder/src/extract/mikan/config.rs

@@ -1,9 +1,10 @@
 use serde::{Deserialize, Serialize};
+use url::Url;
 
 use crate::fetch::HttpClientConfig;
 
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
 pub struct AppMikanConfig {
     pub http_client: HttpClientConfig,
-    pub base_url: String,
+    pub base_url: Url,
 }