Add author information on feed

[bramaudi]

Checklist

• I checked, but didn't find any duplicates (open OR closed) of this issue in the repo.
• This issue contains only one feature request. I will open one issue for every feature I want to request.

What feature do you want?

Add info about author/writer/publisher of items in feed.

Why do you want this feature?

In my case when I read feed from blogging platform "trending" page which show blog posts by different user, this feature really helpful IMO to know who write the content.