Goblin Girl Spawn Egg

Implement only these approved requirements: - Register a hostile entity named "Goblin Girl" using the fixed biped model. - Use a basic melee attack represented as fist combat with default attack damage 2. - Apply default entity values: width 0.9, height 1.4, health 20, movement speed 0.25, armor 0, tracking range 8, pig sound family, archetype-appropriate hostile goals, and no natural spawning. - Create the goblin_girl texture: A Minecraft-style pixel-art texture for a Goblin Girl hostile biped: green goblin skin, expressive feminine face, pointed ears, simple rugged brown clothing, and a mischievous hostile appearance. - Create the goblin_girl_spawn_egg texture: A Minecraft-style pixel-art spawn egg for the Goblin Girl, colored green and brown to match a female goblin with rugged clothing.