Update fern/docs.yml

Co-authored-by: Andrew Schilling <85314306+aschilling-nv@users.noreply.github.com>

Author: zhenghax

fern/docs.yml

@@ -17,7 +17,8 @@
 
 instances:
   - url: nvidia-jax-toolbox.docs.buildwithfern.com/jax-toolbox
-    custom-domain: docs.nvidia.com/jax-toolbox/
+    custom-domain: docs.nvidia.com/jax-toolbox
+    multi-source: true  
 
 title: JAX Toolbox