Added linking in replication section

docs/1.10/administration/configuring_replication/configuring_replication.md

@@ -10,4 +10,9 @@ There might be some delay during replication based on the condition of the netwo
 
 - [Create Replication Endpoints](create_replication_endpoints.md)
 - [Create Replication Rules](create_replication_rules.md)
-- [Manage Replications](manage_replications.md)
+- [Running Replication Manually](manage_replications.md)
+
+
+----------
+
+[Back to table of contents](../../index.md)

docs/1.10/administration/configuring_replication/create_replication_endpoints.md

@@ -1,3 +1,7 @@
+[Back to table of contents](../../index.md)
+
+----------
+
 # Creating Replication Endpoints
 
 To replicate image repositories from one instance of Harbor to another Harbor or non-Harbor registry, you first create replication endpoints.
@@ -44,4 +48,9 @@ To replicate image repositories from one instance of Harbor to another Harbor or
 ## Managing Registries  
 You can list, add, edit and delete registries under `Administration->Registries`. Only registries which are not referenced by any rules can be deleted.  
 
-![browse project](../../img/manage_registry.png)
+![browse project](../../img/manage_registry.png)
+
+
+----------
+
+[Back to table of contents](../../index.md)

docs/1.10/administration/configuring_replication/create_replication_rules.md

@@ -1,3 +1,7 @@
+[Back to table of contents](../../index.md)
+
+----------
+
 # Creating a Replication Rule
 
 A replication endpoint must exist before you create a replication rule. To create an endpoint, follow the instructions in [Creating Replication Endpoints](create_replication_endpoints.md).
@@ -56,3 +60,8 @@ A replication endpoint must exist before you create a replication rule. To creat
       
 1. Optionally select the Override checkbox to force replicated resources to replace resources at the destination with the same name.
 1. Click **Save** to create the replication rule.  
+
+
+----------
+
+[Back to table of contents](../../index.md)

docs/1.10/administration/configuring_replication/manage_replications.md

@@ -1,3 +1,7 @@
+[Back to table of contents](../../index.md)
+
+----------
+
 # Running Replication Manually
 
 1. Log in to the Harbor interface with an account that has Harbor system administrator privileges.
@@ -16,4 +20,9 @@
 
 To edit or delete a replication rule, select the replication rule in the **Replications** view and click **Edit** or **Delete**. Only rules which have no executions in progress can be edited deleted.  
 
-![Delete or edit rule](../../img/replication-rule6.png)
+![Delete or edit rule](../../img/replication-rule6.png)
+
+
+----------
+
+[Back to table of contents](../../index.md)