Updated main navbar with button for repeating audio
Switched navbar back to the default color of charcoal black
Switched sidebar and navigation buttons back to default scheme
Restart teaching when button pressed and writing complete
Stop timer before switching pages
Show dialog with options when no items are found to study
Improve getting next item for study by using better sorting
Increased speed of sidebar toggling for faster pace
Updated prompt flow to support backwards navigation
Integrated backwards traversing one prompt
Fixed several issues with timer when backwards traversing