Feature/automated backups (#595)

* Automatically create backups

* Cleanup automated backups

* Extract backup filename creation into function

server/src/test/resources/server-reference.conf

@@ -25,3 +25,9 @@ server.webUIEnabled = true
 server.initialOpenInBrowserEnabled = true
 server.webUIInterface = "browser" # "browser" or "electron"
 server.electronPath = ""
+
+# backup
+server.backupPath = ""
+server.backupInterval = 1
+server.automatedBackups = true
+server.backupTTL = 14