docs: Add AWS copyright footer. (#2119)

Author: phipag

mkdocs.yml

@@ -79,7 +79,14 @@ markdown_extensions:
       toc_depth: 4
   - attr_list
 
-copyright: Copyright © 2021 Amazon Web Services
+copyright: |
+  <div id="awsdocs-legal-zone-copyright">
+      <a href="https://aws.amazon.com/privacy" target="_blank" rel="nofollow">Privacy</a> |
+      <a href="https://aws.amazon.com/terms/" target="_blank" rel="nofollow">Site terms</a> |
+      <span class="copyright">
+        © 2025, Amazon Web Services, Inc. or its affiliates. All rights reserved.
+      </span>
+  </div>
 
 plugins:
   - git-revision-date