Dont display editors name publicly (or add option)

[b90g]

Either in general or via group permission to hide an editors name from the public

https://github.com/Requarks/wiki/blob/7988fa62ca2df508e517976a017e6367e833eaa9/server/views/page.pug#L21

Right now i manually patch

-      author-name=page.authorName
+      author-name=page.authorId

the permission read:pages seems to include authorName

[Nicolas Giard]

https://requarks.canny.io/wiki/p/hide-usernames-from-public