You can add leagues, big or small, to Sports Club Stats.
   It's free.
   It's easy.
   Just email import@sportsclubstats.com the:
      structure
      schedule
      and rules
   In a few minutes you'll get back a link to the league.
   Play around, have fun, you won't break anything.
   I look forward to seeing what you create.

Info about the various settings:
   https://docs.google.com/document/d/1-UneDNk6tkOrc_B-WBnGnc5KGiy2kttXC2fW8dR7QzM/edit?hl=en

For example, here is what created this league:

LeagueBegin
  League: Canadian Premier League (CanPL)   (ID: 1a26) (Sort: League) (Playoffs: 2)
    Team: Cavalry FC              (Cavalry) (ID: t1wwm)
    Team: Forge FC                (Forge)   (ID: t1wwp)
    Team: HFX Wanderers           (HFX)     (ID: t1wwq)
    Team: Pacific FC              (Pacific) (ID: t1wwr)
  Kind: pro
  Sport: soccer
  Gender: male
  Country: Canada
  State: 
  Level: A
  Season: 2020GroupStage (current: True)
  Author: Grande
  Note: 
  LotteryNote: 
LeagueEnd

SortBegin
League: Points, Points HeadToHead, GoalsDelta, GoalsFor, Wins, DrawLots
SortEnd

RulesBegin
  PointsForWinInRegulation:  3
  PointsForWinInOvertime:  3
  PointsForWinInShootout:  3
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  1
  PercentOfGamesThatEndInTie:  0.23
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.5
  WeightType:  PercentOfPointsWon
  WeightExponent:  1.4
  WhatDoYouCallATie:  draw
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  Championship
  Promote:  0
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  relegated
  Demote:  0
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
9/9/20    1:00 PM    HFX       1-1   Forge     (ID: g1111kh)
9/9/20    8:00 PM    Cavalry   3-1   Pacific   (ID: g1111kg)
9/12/20   12:00 PM   Forge     2-0   Pacific   (ID: g1111ki)
9/12/20   3:00 PM    Cavalry         HFX       (ID: g1111kj)
9/15/20   1:00 PM    Cavalry         Forge     (ID: g1111kk)
9/15/20   8:00 PM    HFX             Pacific   (ID: g1111km)
GamesEnd