Split FC.d.ts, move all declarations inside the FC namespace

.eslintrc.json

devTools/types/FC.d.ts

devTools/types/FC/RA.d.ts

devTools/types/FC/SecExp.d.ts

devTools/types/FC/UI.d.ts

devTools/types/FC/arcology.d.ts

devTools/types/FC/common.d.ts

devTools/types/FC/data.d.ts

devTools/types/FC/gameState.d.ts

devTools/types/FC/global.d.ts

devTools/types/FC/human.d.ts

devTools/types/FC/medicine.d.ts

devTools/types/FC/misc.d.ts

devTools/types/SugarCubeExtensions.d.ts

js/003-data/gameVariableData.js

src/004-base/facility.js

src/data/backwardsCompatibility/datatypeCleanup.js

src/data/utility/pronounsUtils.js

src/js/DefaultRules.js

src/js/pronouns.js