Fixed an issue that in buckshot roulette, bot won't backfill if a player disconnects during the game

If you're wondering why I keep updating this because every time I just update it I find a few more bugs
There won't be any more content update because I feel like I'm wasting too much energy on it
Besides, I'm afraid I may not have much time left

bug fixes for those new entities

Added Hat
Added Buckshot Roulette
Added Sleeping Bag
Added Stove
Added Combine Mortar
Added 5 new VSMG levels
And some minor tweaks and fixes, unused parts of the addon has been deleted
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