Bokdweller31 Spawn Egg

Implement only these approved requirements: - Register bokdweller31 as a hostile custom entity using the fixed biped model, with a frightening face texture and the displayed name “bokdweller31”. - Apply the documented defaults for unspecified entity values: width 0.9, height 1.4, health 20, movement speed 0.25, attack damage 2, armor 0, tracking range 8, pig sound family, hostile default goals, and no natural spawning. - Provide a bokdweller31 spawn egg item. - Create the bokdweller31 texture: A frightening Minecraft entity texture for bokdweller31: a grotesque, terrifying face with dark sunken eyes, a twisted grimace, pallid skin, and ominous shadowy clothing; suitable for a hostile biped monster. - Create the bokdweller31_spawn_egg texture: A Minecraft spawn egg icon for bokdweller31, using dark black, sickly pale green, and blood-red colors to evoke a terrifying monster.