Written by DCist contributor Whitney Satin Time to embrace the crisp weather that’s finally settled in by cozying up with a steamy cup of hot chocolate or cocoa. Oft-talked about versions include Murky’s famous $5 cup, or the bevy of celebrity starlets served up at ACKC, but the District welcomes a few new options this season to help you stave off the chill … or just indulge a chocolate craving. Locolat Café Niel Piferoen, owner…