Option to prepend "https://archive.is/" to urls in some feeds

[40ZqTYY4ag3tAO4hdlxR1]

Checklist

• I have used the search function for OPEN issues to see if someone else has already submitted the same feature request.
• 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.
• I will describe the problem with as much detail as possible.
• This request contains only one single feature, not a list of multiple (related) features.

App version

2.9.1

Where did you get the app from

F-Droid

Feature or improvement you want

An option to append "https://archive.is/" to urls in some feeds

Why should this be added?

archive.is or archive.ph allow users to read previously archived versions of pages. volunteers create archives of webpages which can be accessed by appending "https://archive.is/" to urls

Example:

A user can view this url https://www.ft.com/content/ad2c590f-3448-4550-a62d-0ecdab282ec8 as an archive by appending

"https://archive.is/" ➕ "https://www.ft.com/content/ad2c590f-3448-4550-a62d-0ecdab282ec8"
🟰 ➡️➡️ https://archive.is/https://www.ft.com/content/ad2c590f-3448-4550-a62d-0ecdab282ec8 ⬅️⬅️

Screenshots / Drawings / Technical details

"https://archive.is/" ➕ "https://www.ft.com/content/ad2c590f-3448-4550-a62d-0ecdab282ec8"
🟰 https://archive.is/https://www.ft.com/content/ad2c590f-3448-4550-a62d-0ecdab282ec8