Fix offline DDC install

_data/ddc_offline_files.yaml

@@ -6,9 +6,11 @@
 
 - ucp-version: "2.1"
   tar-files:
-    - ucp-version: "2.1.0-beta1"
-      dtr-version: "2.2.0-beta1"
-      url: https://packages.docker.com/caas/ucp-2.1.0-beta1_dtr-2.2.0-beta1.tar.gz
+    - description: "UCP 2.1.0-beta1"
+      url: https://packages.docker.com/caas/ucp_images_2.1.0-beta1.tar.gz
+    - description: "DTR 2.2.0-beta1"
+      url: https://packages.docker.com/caas/dtr-2.2.0-beta1.tar.gz
+
 - ucp-version: "2.0"
   tar-files:
     - description: "UCP 2.0.3"

datacenter/dtr/2.2/guides/install/install-offline.md

@@ -5,8 +5,6 @@ keywords: docker, registry, install, offline
 title: Install Docker Trusted Registry offline
 ---
 
-<!-- TODO: review page for v2.2 -->
-
 The procedure to install Docker Trusted Registry on a host is the same,
 whether that host has access to the internet or not.
 
@@ -17,6 +15,8 @@ all the images. Then you copy that package to the host where you’ll install DT
 
 ## Versions available
 
+{% include components/ddc_url_list.html %}
+
 ## Download the offline package
 
 Use a computer with internet access to download a single package with all