Content is not displayed in front page
That's the message you get for the standard front page (located at /node), so it looks like your attempt to update which page is the front page hasn't taken for some reason.

In case you've done it another way, the usual way to set this front page is to go to admin/config/system/site-information and set the "Default Front Page" to the path of the new node that you've created.

You'll also need to clear Drupal's caches once you've added the new template file in case you haven't done that already.