Bring mini games mode to bedrock

Mini games tab and play type, a couple mojang originals, maybe some of the Xbox 360/one mini games ported over. And mini games can be bought in the Microsoft store, becoming its own category called mini games. A game mode called mini games adventure and mini games survival. With altered game rules, props, custom items and functions ect. The game can be made to work differently in minigames mode or /set player minigames_mode or /set player minigames_survival , making survival game very different from the base game , and reset rules can be applied to world, or parts of the world using new easier more applicable comamands and chunk loading commands, checkpoints, saves points and so on