Add doc for min/max_over_time

Author: dnhatn

docs/reference/query-languages/esql/_snippets/commands/layout/stats-by.md

@@ -48,6 +48,11 @@ The following [aggregation functions](/reference/query-languages/esql/functions-
 :::{include} ../../lists/aggregation-functions.md
 :::
 
+The following [aggregation functions](/reference/query-languages/esql/functions-operators/aggregation-functions.md) are supported:
+
+:::{include} ../../lists/ts-aggregation-functions.md
+:::
+
 The following [grouping functions](/reference/query-languages/esql/functions-operators/grouping-functions.md) are supported:
 
 :::{include} ../../lists/grouping-functions.md