Add option to not save the audio with the history

[chinmay-medra]

Is there any reason why the app also stores the audio along with the transcripts of past dictations?

I think there should be an options which allows the users to choose whether they want their audio recordings to be saved or not. Since this purely localy, and those audio recordings are not being used for anything, I see this as an important privacy option especially when using this app for sensitive dictations.