remove first slash from render function

packages/app/src/server/routes/in-app-notification.ts

@@ -5,5 +5,5 @@ import {
 export const list = (req: Request, res: Response): void => {
   console.log('hogehoge');
 
-  return res.render('/me/in-app-notification');
+  return res.render('me/in-app-notification');
 };