"Open in" button for articles

[ghost]

Checklist

• [x] I have used the search function for OPEN issues to see if someone else has already submitted the same feature request.
• [x] I have also used the search function for CLOSED issues to see if the feature was already implemented and is just waiting to be released, or if the feature was rejected.
• [x] I will describe the problem with as much detail as possible.
• [x] This request contains only one single feature, not a list of multiple (related) features.

App version

2.12.1

Where did you get the app from

Google Play

Feature or improvement you want

There should be button to open an article with one of the other ways to view articles (reader, custom tab, default browser)

Why should this be added?

It should make viewing an article in a different way faster.

Screenshots / Drawings / Technical details

No response