tsk-41: Refactored code to prepare for auth implementation

src/update_queued_song.rs

@@ -1,5 +1,6 @@
 pub async fn update_queued_song(
-    base_url: &String,
+    // base_url: &String,
+    app: &crate::config::App,
     song_path: &String,
     song_queue_id: &uuid::Uuid,
 ) -> Result<reqwest::Response, reqwest::Error> {
@@ -14,7 +15,7 @@ pub async fn update_queued_song(
             .file_name("track01.flac"),
     );
 
-    let url = format!("{base_url}/api/v2/song/queue/{song_queue_id}");
+    let url = format!("{}/api/v2/song/queue/{song_queue_id}", app.uri);
     println!("Url: {url:?}");
 
     let request = client.patch(url).multipart(form);