README.md in aixm-1.3.0 vs README.md in aixm-1.3.1

@@ -185,9 +185,16 @@
 * [Timetable](https://www.rubydoc.info/gems/aixm/AIXM/Component/Timetable.html)
 * [Timesheet](https://www.rubydoc.info/gems/aixm/AIXM/Component/Timesheet.html)
 * [VASIS](https://www.rubydoc.info/gems/aixm/AIXM/Component/VASIS.html)
 * [Vertical limit](https://www.rubydoc.info/gems/aixm/AIXM/Component/VerticalLimit.html)
 
+### Schedule
+
+* [Date](https://www.rubydoc.info/gems/aixm/AIXM/Schedule/Date.html)
+* [Day](https://www.rubydoc.info/gems/aixm/AIXM/Schedule/Day.html)
+* [Time](https://www.rubydoc.info/gems/aixm/AIXM/Schedule/Time.html)
+* [DateTime](https://www.rubydoc.info/gems/aixm/AIXM/Schedule/DateTime.html)
+
 ## Associations
 
 The different models are interwoven with [`has_many` and `has_one` associations](https://www.rubydoc.info/gems/aixm/AIXM/Association).
 
 Please note that `has_many` associations are instances `AIXM::Concerns::Association::Array` which mostly behave like normal arrays. However, you must not add or remove elements on the array directly but use the corresponding method on the associating model instead: