Add aliases to doc markdown

[divolgin]

Adds aliases to generated markdown docs, similar to how it's handled in the default help template:

Aliases:
  {{.NameAndAliases}}{{end}}{{if .HasExample}}

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[marckhouzam]

So this would change the existing behavior? I wonder if this is a backwards compatibility issue?

[divolgin]

So this would change the existing behavior? I wonder if this is a backwards compatibility issue?

It changes generated doc format by adding the list of aliases. I guess you could call it "changes to existing behavior".

[marckhouzam]

I think this would be safe to add but I’m not sure. @jpmcb do you think this could break existing programs?