Add curling_scoreboard_hw module
Add event handler skeleton curling_scoreboard module
Move curling modules to curling_app directory
Add handle_event patterns for scoreboard hw interaction
Add curling module to wrap gen_event interaction
Add join_feed/2 and leave_feed/2 to curling module
Add event handler curling_feed module
Add game_info/1 to curling module and add an accumulator to start_link/2
Add event handler curling_accumulator module