Add recurrent time frame to instances_to_filter list (#25)

* Add recurrent time frame to instances_to_filter list

* Add instance of century leap year, family name, and name to filter list

etl/instances_to_filter.py

@@ -4,6 +4,10 @@ from enum import Enum
 class InstancesToFilter(Enum):
     YEAR = "Q577"
     CALENDARYEAR = "Q3186692"
+    RECURRENTTIMEFRAME = "Q14795564"
+    CENTURYLEAPYEAR = "Q3311614"
+    FAMILYNAME = "Q101352"
+    NAME = "Q82799"
     DISAMBIGUATION = "Q4167410"
     LIST = "Q13406463"