add upgrade guide to full tree

Author: tony-xlh

_data/full_tree.yml

@@ -7,6 +7,7 @@ tree_file_list:
   - sidelist-apis.html
   - sidelist-releasenotes.html
   - sidelist-faq.html
+  - sidelist-upgrade-guide.html
   - sidelist-full-tree.html
   - sidelist-apis-v1.0.0.html
   - sidelist-apis-v1.1.html