docs: expand sidebar to 2 levels by default

jackye1995 · jackye1995 · commit 1cfb47db76f9 · 2026-05-13T12:54:02.000-07:00
diff --git a/docs/mkdocs.yml b/docs/mkdocs.yml
@@ -27,6 +27,7 @@ theme:
   features:
     - navigation.tabs
     - navigation.sections
+    - navigation.expand
     - navigation.instant
     - navigation.indexes
     - navigation.tracking
