Add Mobs, Fix Redstone Pistons, fix bugs

Add usefull mobs such as wolfs, cats, striders,villegers, piglins, iron golems, and snow golems. Also fix the piston, because whenever I put a lever then flick it, it just makes the piston dissapear, also fix bugs, theres alot of them, such as egg glitches, invinsibility glitches, and sometimes when you type in the chat it exits your chatbox losing the proggress of digitally communicating to someone bruh. Vector do your thing bruh please!