feat: add onError() function hono handler

src/app.ts

@@ -340,6 +340,13 @@ app.get('/', frontendController, indexController);
 // Fallback
 app.get('*', publicFiles, staticFiles, frontendController);
 
+app.onError((err, c) => {
+  if (err.message === 'canceling statement due to statement timeout') {
+    return c.json({ error: 'Everything will be fine, I mean it. Don\t worry child.' }, 500);
+  }
+  return c.json(500);
+});
+
 export default app;
 
 export type { AppContext, AppController, AppMiddleware };