Add metronome battle format
Add metronome battle format

Breakfastqueen/advanced,Breakfastqueen/advanced,MasterFloat/Pokemon-Showdown,SerperiorBae/Pokemon-Showdown-1,Breakfastqueen/advanced,hayleysworld/harmonia,MasterFloat/Pokemon-Showdown,SerperiorBae/Pokemon-Showdown-1,hayleysworld/harmonia,SerperiorBae/Pokemon-Showdown-1