Add getter for host of the game

src/utils/Game.ts

@@ -14,6 +14,15 @@ export class Game {
 		return this.#players;
 	};
 
+	get host(): string|null {
+		for (var player in this._players) {
+			if (this._players[player].host) {
+				return player;
+			};
+		};
+		return null;
+	}
+
 	public add_player(player: string, is_host:boolean=false): void {
 		this.#players[player] = {
 			position: undefined,