v2.1.15

this update has been pending for so long because i havent been bothered to test ios
and im not even 100% solid on if it works so idk
maybe this shouldnt be a patch update

• iOS support!
• Fix issues with the pause keybind not updating the button in the current song popup
• Fix issues with the current song popup not closing if you closed the editor pause menu
• Fix issues with songs in history not being preloaded when they should
• Add popup to show any songs that had errors while loading