Fixed issue where website would crash

Fixed an issue where the website would crash when a lastfm api fetch would go wrong. This occasionaly happens (for whatever reasons)

src/components/NavBar.svelte

@@ -35,6 +35,7 @@
   }
 
   async function fetchLastFmData() {
+    try {
       let response = await fetch(fetch_url);
       let data = await response.json();
       let album_cover = data.recenttracks.track[0].image[1]["#text"];
@@ -70,6 +71,7 @@
             "/pause-icon-256.png";
         } catch (error) {}
       }
+    } catch (error) {}
   }
   fetchLastFmData();
   setInterval(fetchLastFmData, 15000);