DOCSP-1815: changestreams - reorg landing page

Author: kay-kim

config/redirects

@@ -1355,6 +1355,12 @@ raw: /master/release-notes/3.0-general-improvements -> ${base}/release-notes/3.0
 [v3.0-*]: /${version}/core/security-scram-sha-1 -> ${base}/${version}/core/security-scram
 [*-v2.6]: /${version}/core/security-scram -> ${base}/${version}/core/security-scram-sha-1
 
+[*-v3.4]: /${version}/changeStreams -> ${base}/${version}/replication
+[*-v3.4]: /${version}/administration/change-streams-production-recommendations -> ${base}/${version}/replication
+[*-v3.4]: /${version}/reference/change-events -> ${base}/${version}/replication
+
+[v3.6-v3.6]: /${version}/tutorial/change-streams-example -> ${base}/${version}/changeStreams
+
 [v3.6-*]: /${version}/core/data-modeling-json-schema -> ${base}/${version}/core/schema-validation
 [v3.6-*]: /${version}/core/distributed-write-operations -> ${base}/${version}/core/distributed-queries
 [v3.6-*]: /${version}/reference/operator/meta/snapshot -> ${base}/${version}/reference/operator/meta