Rework engine to apply changes at the end & add pushover notification

helpers/config.go

@@ -11,6 +11,11 @@ type Config struct {
 	Hetzner struct {
 		ApiToken string `env:"HETZNER_API_TOKEN"`
 	}
+	PushOver struct {
+		Enable  bool   `env:"PUSHOVER_ENABLE"`
+		AppKey  string `env:"PUSHOVER_APP_KEY"`
+		UserKey string `env:"PUSHOVER_USER_KEY"`
+	}
 }
 
 var configParsed bool