Wargroove: Implement New Game (#1401)

This adds Wargroove to the list of supported games. Wargroove uses a custom non-linear campaign over the vanilla and double trouble campaigns. A Wargroove client has been added which does a lot of heavy lifting for the Wargroove implementation and must be always on during gameplay. The mod source files can be found here: https://github.com/FlySniper/WargrooveArchipelagoMod

worlds/wargroove/docs/en_Wargroove.md

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+# Wargroove (Steam, Windows)
+
+## Where is the settings page?
+
+The [player settings page for this game](../player-settings) contains all the options you need to configure and export a
+config file.
+
+## What does randomization do to this game?
+
+This randomizer shuffles units, map events, factions and boosts. It features a custom, non-linear campaign where the 
+final level and 3 branching paths are all available to the player from the start. The player cannot beat the final level 
+without specific items scattered throughout the branching paths. Certain levels on these paths may require 
+specific units or items in order to progress.
+
+## What items and locations get shuffled?
+
+1. Every buildable unit in the game (except for soldiers and dogs, which are free).
+2. Commanders available to certain factions. If the player acquires the Floran Commanders, they can select any commander
+from that faction.
+3. Income and Commander Defense boosts that provide the player with extra income or extra commander defense.
+4. Special map events like the Eastern Bridges or the Southern Walls, which unlock certain locations in certain levels.
+
+## Which items can be in another player's world?
+
+Any of the above items can be in another player's world.
+
+## When the player receives an item, what happens?
+
+When the player receives an item, a message will appear in Wargroove with the item name and sender name, once an action 
+is taken in game.
+
+## What is the goal of this game when randomized?
+
+The goal is to beat the level titled `The End` by finding the `Final Bridges`, `Final Walls`, and `Final Sickle`.