chore(lint): fixed FE console.logs and changed rules for BE

frontend/src/App.vue

@@ -23,7 +23,7 @@
       // Try to parse socket message
       const { data: message, error: parseErr } = tryCatchSync(() => JSON.parse(event.data));
       if (parseErr) {
-        console.error(`[WS] Error while parsing `, parseErr);
+        // Stop execution with unparsable data
         return;
       }
 
@@ -56,9 +56,8 @@
     };
 
     // On socket error
-    socket.onerror = (err) => {
-      // Close socket on error, and print to console
-      console.error('[WS] Error: ', err);
+    socket.onerror = () => {
+      // Close socket on error
       socket.close();
     };
   }