Showdown Extra Buttons

code to showdown default 30131c2f3cc627e9c0b1eec51f5050 has sample xtrabuttonshowdownplugin. to some available list show teams uploaded your at been the client https://github.com/smogon/poke your cloud added in mon-showdown/commit/72413823ce this teams. buttons to source play.pokemonshowdown.com friends button and adds https://github.com/zooki2006/e commit