Add function to update the player's socket ID.

src/utils/Game.ts

@@ -56,6 +56,10 @@ export class Game {
 		this.player_len++;
 	};
 
+	public update_socket(player: string, socket: string): void {
+		this._players[player].socket = socket;
+	};
+
 	public remove_player(player: string, ban: boolean): void {
 		delete this._players[player];
 		if (ban) {