readthedocs: also build offline docs, fixes borgbackup#7835

ThomasWaldmann · ThomasWaldmann · commit 80b08aff356a · 2023-09-25T15:21:50.000+02:00
diff --git a/.readthedocs.yaml b/.readthedocs.yaml
@@ -28,3 +28,6 @@ python:
 
 sphinx:
     configuration: docs/conf.py
+
+formats:
+    - htmlzip
