Abstract steps into bash, kubectl, helm, etc

[RealHarshThakur]

Would be nice if I can write a step like this :

steps:
 - kubectl: 
     file : # YAML to apply
     retry: # Number of times to retry
     wait: # Wait for resource or X amount of time

Although, I see that lot of fields could come up and it might hinder user from getting things done if not implemented. Probably having this as an option would be nice. Similarly, we should have something for scripts and helm.