Fix shadow export typo
Remove unused Sketch version function
Refactor main()
Refactor findAssetsPage()
Refactor assets page functions
Only download framer files if they don't exist
Update some of framer.states.js for Framer 3 - image, scroll, draggable
Refactor file creation functions for consistency
Remove unused global variables
Remove @@hidden from sanitize_filename since it isn't used anymore