Added ability to countdown hours, minutes and seconds and control the…

[tim-digitised]

Add new functionality to show Hours, Minutes & Seconds Added new configuration options to:

• Set the position
• Set the Days label
• Set the Hours label
• Set the Minutes label
• Set the Seconds label
• Choose whether or not to display the hours, seconds and minutes
• Set the refresh frequency

[boazarad]

Thanks for your contribution!