Hotfix - 241219

We've made the following changes: UI - Added a Quit Game button in main menu - Changed the size of skill icons and crosshair - Added animation for skill icons when skills become available - Fixed display issues occurring in certain resolutions and languages Skill Related - Fixed a bug where melee kill with FAST & FURIOUS Boombox adds 2.5 charge instead of 2 Stage 'Get Ready for Work' - Fixed an issue where enemies can pass through some obstacles. Stage 'Deadline Disco' - The difficulty of the stage has been lowered. - Fixed an issue that players can enter the enemy spawn location. Stage 'Ox Head' - Changed stage and lowered the overall difficulty. Stage 'Last Dance' - Fixed an issue that players can enter the enemy spawn location. Stage 'We Will T.Rock You' - Fixed an issue where the game occasionally wouldn't progress to the next phase - The Base Boss's speakers can no longer be destroyed - Fixed the position of Guitar Boss's guitar strings Stage 'Blindian Rhapsody' - Bullets no longer penetrate the Band Boss barrier - Missiles are no longer destroyed by the Band Boss barrier Misc. - Playlist #7 will be added. Please look forward to it!