I am not the author of your mentioned repository so I cannot support you here, I am sorry.
Maybe you should open an issue in that repository or maybe @bedman can further help here?
In general I think you just have to copy the custom_components folder and then you should see it on the integrations page and should be able to configure it.
Guys, with a NG here? mine was replaced from DCS to NG model (5.5)
I see that it needs a lot of power on at morning eventing to start/shutdown
Is this a normal behaviour? Is this because its quite dark on this time of period, seems it doesnt get enough current to start