Readd scheduled fights (again)

devTools/types/FC/facilities.d.ts

src/005-passages/interactPassages.js

src/data/backwardsCompatibility/pitBC.js

src/facilities/pit/fights/0_lethalRandom.js

src/facilities/pit/fights/0_nonLethalRandom.js

src/facilities/pit/fights/1_lethalBodyguard.js

src/facilities/pit/fights/1_lethalScheduled.js

src/facilities/pit/fights/1_nonLethalBodyguard.js

src/facilities/pit/fights/1_nonLethalScheduled.js

src/facilities/pit/fights/2_lethalScheduledBG.js

src/facilities/pit/pit.js

src/facilities/pit/pitFightList.js

src/facilities/pit/pitUtils.js

src/facilities/pit/pitWorkaround.js

src/npc/interaction/killSlave.js