feat: use tag @validatable to mark schema types

src/core/things/AcademicEvent.ts

@@ -49,6 +49,11 @@ export interface SCAcademicEventWithoutReferences
   type: SCThingType.AcademicEvent;
 }
 
+/**
+ * An academic event
+ *
+ * @validatable
+ */
 export interface SCAcademicEvent extends SCEvent, SCAcademicEventWithoutReferences {
   /**
    * Translated fields of an academic event