Villager trades relate to defeating the End dragon

- The over powerful trades will only unlock after defeating the dragon instead of multiple villager biomes with different trades - Adds a purpose to the player to kill the dragon - Great for when starting the game, you are limited and not easily overly powered, but then also great for players in the endgame to have it a little easy for them to get thing so we can achieve more things faster with less time waisting and less complications of biome depending.