Improve markdown rendering of commands help for shell completion
Improve markdown rendering of commands help for shell completion

Cf. https://github.com/helm/helm-www/pull/1100

Signed-off-by: Alexandre Garnier <10d1730ca81c4b61acb3b7664b99857daebd71d8@gmail.com>

helm/helm,bacongobbler/helm,helm/helm,bacongobbler/helm