Speed up and slow down option

[RustoMCSpit]

Checklist

• I made sure that there are no existing issues - open or closed - to which I could contribute my information.
• I made sure that there are no existing discussions - open or closed - to which I could contribute my information.
• I have read the FAQs inside the app (Menu -> About -> FAQs) and my problem isn't listed.
• I have taken the time to fill in all the required details. I understand that the bug report will be dismissed otherwise.
• This issue contains only one feature request.
• I have read and understood the contribution guidelines.
• I optionally donated to support the Fossify mission.

Feature description

i should be able to speed up or slow down howevet fast i want, not just 2x or 3x but 10x even using a slider

Why do you want this feature?

to listen to more audio faster

Additional information

SimpleMobileTools/Simple-Voice-Recorder#204
#2

[naveensingh]

@RustoMCSpit and @inson1

Why do you guys keep linking to SMT issues even when the template clearly says not to do that?