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:     2019 Womens World Cup (Women’s World Cup) (ID: 1a10t) (Sort: League) (Playoffs: 16)
    Division: Group A                                   (ID: d132t) (Sort: Conf) (Playoffs: 2)
      Team:   France                                    (ID: t1gwc)
      Team:   Korea                                     (ID: t1xe3)
      Team:   Nigeria                                   (ID: t1gwq)
      Team:   Norway                                    (ID: t1gwp)
    Division: Group B                                   (ID: d132u) (Sort: Conf) (Playoffs: 2)
      Team:   China                                     (ID: t1xe2)
      Team:   Germany                                   (ID: t1gwj)
      Team:   South Africa                              (ID: t1gwx)
      Team:   Spain                                     (ID: t1gws)
    Division: Group C                                   (ID: d132v) (Sort: Conf) (Playoffs: 2)
      Team:   Australia                                 (ID: t1gwb)
      Team:   Brazil                                    (ID: t1gwm)
      Team:   Italy                                     (ID: t1gwg)
      Team:   Jamaica                                   (ID: t1gww)
    Division: Group D                                   (ID: d132w) (Sort: Conf) (Playoffs: 2)
      Team:   Argentina                                 (ID: t1gw9)
      Team:   England                                   (ID: t1gwv)
      Team:   Japan                                     (ID: t1gwy)
      Team:   Scotland                                  (ID: t1gwr)
    Division: Group E                                   (ID: d132y) (Sort: Conf) (Playoffs: 2)
      Team:   Cameroon                                  (ID: t1gwn)
      Team:   Canada                                    (ID: t1gwe)
      Team:   Netherlands                               (ID: t1gwh)
      Team:   New Zealand                               (ID: t1gwi)
    Division: Group F                                   (ID: d132x) (Sort: Conf) (Playoffs: 2)
      Team:   Chile                                     (ID: t1gwt)
      Team:   Sweden                                    (ID: t1gwa)
      Team:   Thailand                                  (ID: t1gwf)
      Team:   United States                             (ID: t1gwu)
  Kind: pro
  Sport: soccer
  Gender: female
  Country: FIFA
  State: 
  Level: A
  Season: 2019 (current: True)
  Author: MarkusPaminger
  Note: 
  LotteryNote: 
LeagueEnd

SortBegin
Conf: Average Points,Average GoalsDelta, Average GoalsFor, Average Points
HeadtoHead, Average GoalsDelta HeadtoHead, Average GoalsFor, DrawLots

League: least PositionInParent, Average Points, Average GoalsDelta, Average
GoalsFor, DrawLots
SortEnd

RulesBegin
  PointsForWinInRegulation:  3
  PointsForWinInOvertime:  3
  PointsForWinInShootout:  3
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  1
  PercentOfGamesThatEndInTie:  0.25
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.5
  WeightType:  Pythagorean
  WeightExponent:  1.4
  WhatDoYouCallATie:  draw
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  Round of 16
  Promote:  16
  PromotePlus:  0
  PromotePlusPercent:  0.5
  WhatDoYouCallDemoted:  eliminated
  Demote:  0
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
6/11/19   Argentina       0-0    Japan           (ID: g1z8zp)
6/11/19   Australia       1-2    Italy           (ID: g1z80b)
6/11/19   Brazil          3-0    Jamaica         (ID: g1z80c)
6/11/19   Canada          1-0    Cameroon        (ID: g1z80e)
6/11/19   Chile           0-2    Sweden          (ID: g1z8zq)
6/11/19   England         2-1    Scotland        (ID: g1z80d)
6/11/19   France          4-0    Korea           (ID: g1z8zr)
6/11/19   Germany         1-0    China           (ID: g1z8zs)
6/11/19   New Zealand     0-1    Netherlands     (ID: g1z80g)
6/11/19   Norway          3-0    Nigeria         (ID: g1z8zt)
6/11/19   Spain           3-1    South Africa    (ID: g1z80a)
6/11/19   United States   13-0   Thailand        (ID: g1z80i)
6/16/19   Australia       3-2    Brazil          (ID: g1z8zu)
6/16/19   Canada          2-0    New Zealand     (ID: g1z8zv)
6/16/19   England         1-0    Argentina       (ID: g1z8zw)
6/16/19   France          2-1    Norway          (ID: g1z80j)
6/16/19   Germany         1-0    Spain           (ID: g1z80k)
6/16/19   Jamaica         0-5    Italy           (ID: g1z80r)
6/16/19   Japan           2-1    Scotland        (ID: g1z8zx)
6/16/19   Netherlands     3-1    Cameroon        (ID: g1z80t)
6/16/19   Nigeria         2-0    Korea           (ID: g1z8zy)
6/16/19   South Africa    0-1    China           (ID: g1z8zz)
6/16/19   Sweden          5-1    Thailand        (ID: g1z900)
6/16/19   United States   3-0    Chile           (ID: g1z901)
6/20/19   Cameroon        2-1    New Zealand     (ID: g1z815)
6/20/19   China           0-0    Spain           (ID: g1z902)
6/20/19   Italy           0-1    Brazil          (ID: g1z811)
6/20/19   Jamaica         1-4    Australia       (ID: g1z812)
6/20/19   Japan           0-2    England         (ID: g1z814)
6/20/19   Korea           1-2    Norway          (ID: g1z903)
6/20/19   Netherlands     2-1    Canada          (ID: g1z817)
6/20/19   Nigeria         0-1    France          (ID: g1z80y)
6/20/19   Scotland        3-3    Argentina       (ID: g1z904)
6/20/19   South Africa    0-4    Germany         (ID: g1z80z)
6/20/19   Sweden          0-2    United States   (ID: g1z818)
6/20/19   Thailand        0-2    Chile           (ID: g1z905)
GamesEnd