Countdown

Available format codes

Example format	Live output
`$h`:`$m`	1:15
`$h`:`$m`:`$s`	1:15:35
`$h` foo `$m`	1 foo 15
`$h`h `$m`m `$s`s	1h 15m 35s
`$h` hour `$m` minutes `$s` seconds	1 hour 15 minutes 35 seconds
Extension pack release in `$h` hour `$m` minutes `$s` seconds	Extension pack release in 1 hour 15 minutes 35 seconds