refactor: clean up code formatting and improve readability in timetable endpoint

index.js

@@ -32,7 +32,21 @@ app.get('/timetable', async (req, res) => {
   }
 })
 
-console.log(process.env)
+const os = require('os');
+const nets = os.networkInterfaces();
+const results = {};
+
+for (const name of Object.keys(nets)) {
+  for (const net of nets[name]) {
+    if (!net.internal) {
+      results[name] = results[name] || [];
+      results[name].push(net.address);
+    }
+  }
+}
+
+console.log('Local IPs:', results);
+
 
 app.listen(port, () => {
   console.log(`Example app listening on port ${port}`)