Creeper spawn on you every 10 second

This datapack that makes creeper spawn on every player every 10 seconds.If datapack does not work then get OP and type /reload in chat and hit enter it will reload your game and datapack should work now.This adds a bar to see how much time is left to spawn a creeper it is off by defalt but you can on it by typing /bossbar set creeper_timer players @a.This supports server and single-player world