Add zsh completion for 'docker service {create,update} --stop-signal'
Upstream-commit: 7a607efcd64874c242dc0795ac20ba42ebd05fc2
Component: engine
Add zsh completion for 'docker service {create,update} --stop-signal'
Upstream-commit: 7a607efcd64874c242dc0795ac20ba42ebd05fc2
Component: engine