make sure to save right when quitting

Dependencies

• [2] PX7DDEMO autosave slightly less aggressively
• [*] OTIBCAUJ love2d scaffold
• [*] AVTNUQYR basic test-enabled framework

Change contents

• edit in main.lua at line 320
  [2.609]

  [5.1399]
  + -- make sure to save before quitting

  + function love.quit()

  + save_to_disk(Lines, Filename)

  + end

  +