* update some f-droid links and information
* use more general link to the f-droid monitor
* Update docs/f-droid.md
Co-authored-by: Asiel Díaz Benítez <asieldbenitez@gmail.com>
* clarify build details according to @licaon-kter's suggestions
Co-authored-by: Asiel Díaz Benítez <asieldbenitez@gmail.com>