Add ePub/PDF reader

[Popolechien]

• Website/Repository URL: https://f-droid.org/en/packages/com.foobnix.pro.pdf.reader/
• License: GNU GPL 3.0
• Desired Title: Librera
• Desired Description: Application for reading e-books
• Desired PNG Icon (URL or attach one): https://f-droid.org/repo/com.foobnix.pro.pdf.reader/en-US/icon_y15Jxhzp6YrmjLC-wtc27B6XLTcArf7yK-2WlpNaoe0=.png
• Language(s) (ISO 639-3): eng
• Docker image(s) available? no
• Docker image or binary available for arm64 ? Yes
• Update Strategy: They seem to push new releases frequently, but tbd.

[kelson42]

Already tested https://f-droid.org/en/packages/com.foobnix.pro.pdf.reader/ ?

[Popolechien]

@kelson42 Much better UX indeed. I'll update the request.