[#52116285] Monitor slave status

Add DataDog monitoring to all the machines. The new task monitors the
machines and sends a value to DataDog every minute. 50 - alive, 25 -
shutdown, 0 - something went wrong
[#52116285] Address PR
Merge pull request #56 from HouseTrip/tech-d/notify-datadog-on-slave-status-52116285

Tech - Doctors: SetUp alert on Data dog [#52116285]