Implemented actual catching logic for offline first flashsets

Added settings page

Added internet fallbacks

Added text to speech

Removed explore seciont

Improved UI, download from remote source added, saving and loading from JSON works too

Better look flashset editor, added drag and drop dependencies

Implemented flashset creation

Adding questions works now

Working on modifying list

Working on modify flashset page

Working on FlashSet modification system

SHaring implemented

Working with share dialog

Working on new flash set form