Make the server send a daily report #35
Description
Currently, the server sends an email and slack message only when there is a problem.
So the administrator is hard to know whether the server is alive or the server is silently gone.
Let's make it send a notification daily.
I don't think about the content of the notification, but I want the title of the email is the following format.
[info][{network id}][dashboard-server] is working - {Utc::now().to_rfc3339()}