DOCSP-17793 add data modeling redirect

Author: andf-mongodb

config/redirects

@@ -1677,6 +1677,10 @@ raw: /v2.8/release-notes/2.8-changes -> ${base}/v3.0/release-notes/3.0/
 # Redirect manual's Atlas tutorial to Atlas docs DOCSP-5703
 [v3.4-*]: /${version}/tutorial/atlas-free-tier-setup/ -> https://docs.atlas.mongodb.com/getting-started/
 
+# Redirect ancient Asya SO post to updated data-modeling URL structure:
+
+[v3.6-*]: /${version}/tutorial/model-tree-structures/ -> ${base}/${version}/applications/data-models-tree-structures/
+
 # Redirect strange link in compass
 raw: /manual/core/wildcard -> ${base}/manual/core/index-wildcard/