Merge branch 'js-doc' into 'pregmod-master'

src/004-base/facility.js

src/art/artJS.js

src/facilities/nursery/nurseryWidgets.js

src/js/CustomSlave.js

src/js/SlaveState.js

src/js/assayJS.js

src/js/datatypeCleanupJS.js

src/js/economyJS.js

src/js/generateGenetics.js

src/js/rulesAssistant.js

src/js/rulesAutosurgery.js

src/js/slaveCostJS.js

src/js/slaveListing.js

src/js/storyJS.js

src/js/surgery.js

src/player/js/PlayerState.js