-// TODO: this will be a component instead ?
-// If simultaneous games, no "rematch" button
-
-// simult : open connexion to rooms from list, in all (if I'm the "simultaneer" --> TODO: indicate sid + side [random,white, black] in challenge)
-// if I'm just one of the players (one game), just one game.
-// view "Game_s", with pug list of components Game.
-// generally only one element, unless I'm the simultaneer.
-// Add messages ?
-