Move /data directory note to Git repository source section

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: ChrisJBurns

docs/toolhive/guides-registry/configuration.mdx

@@ -83,6 +83,14 @@ options. You can configure multiple registries in a single server instance.
 
 Clone and sync from Git repositories. Ideal for version-controlled registries.
 
+:::note
+
+When the registry server clones a Git repository, it stores the cloned data in a
+`/data` directory. In containerized deployments, mount a volume at `/data` to
+persist cloned repositories across restarts and avoid re-cloning on every sync.
+
+:::
+
 ```yaml title="config-git.yaml"
 registries:
   - name: toolhive
@@ -199,13 +207,6 @@ spec:
           emptyDir: {}
 ```
 
-:::note
-
-The `/data` mount path is used by the registry server in order to storage cloned
-Git repositories.
-
-:::
-
 Then reference `/secrets/git/token` as the `passwordFile` in your registry
 configuration.