Kanban (#393)

Fix tests

Add error docs

Add swagger docs for bucket endpoints

Add integration tests

Fix tests

Fix err shadow

Make sure a bucket and a task belong to the same list when adding or updating a task

Add tests

Add getting users of a bucket

Fix log level when testing

Fix lint

Add migration for buckets

Cleanup/Comments/Reorganization

Add Kanban bucket handling

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/api/pulls/393

pkg/models/unit_tests.go

@@ -56,7 +56,9 @@ func SetupTests() {
 		"teams",
 		"users",
 		"users_list",
-		"users_namespace")
+		"users_namespace",
+		"buckets",
+	)
 	if err != nil {
 		log.Fatal(err)
 	}