docs: document parent field on Auto

Author: machow

docs/get-started/basic-content.qmd

@@ -205,6 +205,10 @@ quartodoc:
           package: pandas
           contents:
             - DataFrame     # pandas.DataFrame
+        
+        # (4) package set on individual content entry
+        - package: pandas
+          name: Series
 ```
 
 Use `package: null` to unset the package option. This enables you to specify objects using their full name.

quartodoc/layout.py

@@ -203,6 +203,9 @@ class Auto(_Base):
         to return an alias for that object.
     children:
         Style for presenting members. Either separate, embedded, or flat.
+    package:
+        If specified, object lookup will be relative to this path.
+
 
     """