concourse.go
func (s *ConcoursePipeline) AddRawResource(rawResource atc.ResourceConfig) {
	s.Resources = append(s.Resources, rawResource)
}
func (s *ConcoursePipeline) AddRawResource(rawResource atc.ResourceConfig) {
	s.Resources = append(s.Resources, rawResource)
}
//AddRawResource helper to add a resource to the pipeline manifest