The previous iAlarm integration has been removed because it used
webscraping #43010.
Since then, the pyialarm library has been updated to use the iAlarm API
instead.
With this commit I reintroduce the iAlarm integration, leveraging the
new HA config flow.
Signed-off-by: Ludovico de Nittis <ludovico.denittis@collabora.com>
