Support for apns-push-type in header about apns2

[sideshow]

@satheesh-moorthy This is already supported.
Example would be as follows:

notification := &apns2.Notification{
    PushType: apns2.PushTypeBackground
    ...
}

You can see more examples via tests here

apns2/client_test.go

Line 230 in 991ef56

func TestPushTypeAlertHeader(t *testing.T) {

Thanks

[satheesh-moorthy]

Hi @sideshow , Thanks a lot for the information