Add query parameters for sorting

Signed-off-by: mprahl <mprahl@users.noreply.github.com>

enhancements/sig-policy/98-long-term-compliance-history/README.md

@@ -246,6 +246,8 @@ The following optional query parameters would be accepted on this HTTP endpoint:
 - after - an ISO-8601 timestamp to indicate only compliance events after this time should be shown.
 - page - the page number in the query. This defaults to 1.
 - per_page - the number of compliance events returned per page. This defaults to 20 and maxes out at 100.
+- sort - the field to sort by. This defaults to `timestamps`.
+- direction - the direction to sort by. This defaults to `desc`. It can be `asc` or `desc`.
 
 The output would look as follows and be sorted by timestamps in descending order. The content would be filtered based on
 the user's access as described above: