make sure distinct.rst is in the index file

dantownsend · dantownsend · commit 7c8029804959 · 2021-08-09T07:48:14.000+01:00
diff --git a/docs/src/piccolo/query_clauses/index.rst b/docs/src/piccolo/query_clauses/index.rst
@@ -10,6 +10,7 @@ by modifying the return values.
     :maxdepth: 0
 
     ./first
+    ./distinct
     ./group_by
     ./limit
     ./offset
