Add max_free_entitlement_hours_used

Author: vahid-ahmadi

policyengine_uk/variables/gov/dfe/max_free_entitlement_hours_used.py

@@ -0,0 +1,10 @@
+from policyengine_uk.model_api import *
+
+
+class max_free_entitlement_hours_used(Variable):
+    value_type = float
+    entity = Person
+    label = "maximum hours of free childcare entitlement used"
+    documentation = "The maximum weekly hours of free childcare entitlement used by the person"
+    definition_period = WEEK
+    default_value = 30