DOC-13306: Add documentation for indexer level scan timeout (#399)

* Replace Defer Index Builds example with link
* Replace Indexer Scan Timeout example with link

Author: simon-dew

modules/n1ql/pages/n1ql-language-reference/createindex.adoc

@@ -429,25 +429,8 @@ In Couchbase Server 7.6.2 and later, you can change the default setting for the
 
 If you change the default setting for `defer_build` to `true`, index creation operates in deferred build mode by default.
 
-To change the default setting for deferred builds, use the REST API to set the `indexer.settings.defer_build` property.
-For example,
-
-[source,sh]
-----
-curl http://$BASEURL:9102/settings -u $USER:$PASSWORD \
--d '{"indexer.settings.defer_build": true}'
-----
-
-Use the following command to retrieve the indexer settings:
-
-[source,sh]
-----
-curl -X GET http://$BASEURL:9102/settings -u $USER:$PASSWORD
-----
-
-* `$BASEURL` is the base URL for the API call, for example: `localhost`.
-* `$USER` is the username, for example: `Administrator`.
-* `$PASSWORD` is the password.
+To change the default setting for deferred builds, use the Index Settings REST API to set the `indexer.settings.defer_build` property.
+For an example, see xref:index-rest-settings:index.adoc#ex-defer-build[Defer Index Builds by Default].
 endif::flag-devex-rest-api[]
 
 == Examples

modules/n1ql/pages/n1ql-language-reference/insert.adoc

@@ -379,22 +379,11 @@ The INSERT statement returns an error if the keyspace does not exist.
 If you are inserting multiple documents, the statement aborts at the first error encountered.
 * Timeouts can affect the completion of an INSERT statement, especially when performing bulk inserts.
 Ensure that the timeout is set to a reasonable value that allows the bulk insert operation to complete.
+ifdef::flag-devex-rest-api[]
 +
-To set the indexer timeout, use the REST API to set the `indexer.settings.scan_timeout` property.
-For example,
-+
-[source,sh]
-----
-curl http://localhost:9102/settings -u Administrator:password \
--d '{"indexer.settings.scan_timeout": 1200}'
-----
-+
-Use the following command to retrieve the indexer settings:
-+
-[source,sh]
-----
-curl -X GET http://localhost:9102/settings -u Administrator:password
-----
+To set the indexer timeout, use the Index Settings REST API to set the `indexer.settings.scan_timeout` property.
+For an example, see xref:index-rest-settings:index.adoc#ex-scan-timeout[Set the Indexer Scan Timeout].
+endif::flag-devex-rest-api[]
 
 * When inserting multiple documents, no cleanup or rollback is done for the already inserted documents if the INSERT operations hits an error.
 This means, when you are inserting 10 documents, if the INSERT operation fails when inserting the 6th document, the operator quits and exits.