Setting for repeating times

###### Reproduction Steps

1. Go to settings or [settings documention](https://docs.ankidroid.org/manual.html#settings)
2. Search for repeating times

###### Expected Result

Having a possibility to configure the "repeating times" (`1 min`, `10 min`, `4 d`).


###### Actual Result

Nothing to find

###### Debug info

AnkiDroid Version: `2.9.1`
Android Version: `9`
ACRA UUID: `79b69820-6975-4051-abdd-e6f15900be29`

###### Research

* [x] I have read the [support page](https://ankidroid.org/docs/help.html) and am reporting a bug or enhancement request specific to AnkiDroid
* [x] I have checked the [manual](https://ankidroid.org/docs/manual.html) and the [FAQ](https://github.com/ankidroid/Anki-Android/wiki/FAQ) and could not find a solution to my issue
* [x] I have searched for similar existing issues here and on the user forum

**PS:** I have the feeling that this thing is so obvious that there probably is some possibility to configure them but I can't find it. So in that case it would be good to improve documentation regarding this.

**PPS:** I know that I can set a _maximum_ but this is obviously not the same and leads to buggy behaviour.
For example setting the maximum to 4 days will lead to having something like this: