Merge https://gitgud.io/pregmodfan/fc-pregmod into linting

CONTRIBUTING.md

devNotes/usefulJSFunctionDocumentation.md

js/003-data/gameVariableData.js

src/events/scheduled/pitFightNonlethal.js

src/facilities/farmyard/animals/Animal.js

src/facilities/farmyard/animals/animals.js

src/facilities/farmyard/farmyard.js

src/facilities/farmyard/farmyardBC.js

src/js/utilsSlave.js

src/npc/interaction/fAnimal.js

src/player/managePersonalAffairs.js