wait a little to flush disk before quitting

Dependencies

• [2] SPNMXTYR have file API operate on state object
• [*] 2L5MEZV3 experiment: new edit namespace

Change contents

• edit in edit.lua at line 195
  [2.470]

  [4.6746]
  + -- give some time for the OS to flush everything to disk

  + love.timer.sleep(0.1)