[Enhancement] Allow folders in quick launch area

[inson1]

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

Allow adding/creating them there

Why do you want this feature?

I would like to have folders in quick launch area (the row of icons at the bottom of the home screen that doesn't change when you swipe left and right), so I can store more apps there

Additional information

from SimpleMobileTools/Simple-Launcher#157