add docstrings

internal/data/ISearchCriteria.go

@@ -1,6 +1,7 @@
 package data
 
-// TODO docstring
+// Defines a Weight function that determines a order on type T. As an example
+// this may be used to sort article by date or filter for a search term. 
 type ISortCriteria[T any] interface {
     Weight(t T) int
 }