Maintenance: Parse generated spoiler log to generate world data files

Given an input spoiler log, parse the final world names and create the base world data files:

• Parse the total number of expected players; e.g.: Players: 62
• Scan line by line through the log for:
  • Player lines; e.g.: Player 61: MrBond_LttP_4
  • The associated game; e.g. Game: A Link to the Past
• Create a world data file from a template of the identified game and fill in player name (as world name)
  • Pad the world name up to maximum 16 characters so fixed-width display is consistent and doesn't need to be recomputed on at output adapter

Build into "maintenance" app within the same repository (scaffold addressed by !11 (merged)).