Changed order of Best Practices page and linked it from other relevant pages (opensearch-project#7389)

* changed order of best practices page and linked it from other relevant pages

Signed-off-by: leanne.laceybyrne@eliatra.com <leanne.laceybyrne@eliatra.com>

* Apply suggestions from code review

Signed-off-by: Naarcha-AWS <97990722+Naarcha-AWS@users.noreply.github.com>

---------

Signed-off-by: leanne.laceybyrne@eliatra.com <leanne.laceybyrne@eliatra.com>
Signed-off-by: Naarcha-AWS <97990722+Naarcha-AWS@users.noreply.github.com>
Co-authored-by: Naarcha-AWS <97990722+Naarcha-AWS@users.noreply.github.com>
Signed-off-by: leanne.laceybyrne@eliatra.com <leanne.laceybyrne@eliatra.com>

Author: leanneeliatra

_getting-started/security.md

@@ -190,3 +190,9 @@ To upload a configuration, the following command can be used with the admin cert
 ./plugins/opensearch-security/tools/securityadmin.sh -cd "config/opensearch-security" -icl -key "../kirk-key.pem" -cert "../kirk.pem" -cacert "../root-ca.pem" -nhnv
 ```
 {% include copy.html %}
+
+## Next steps
+
+The [Best practices for OpenSearch security]({{site.url}}{{site.baseurl}}/security/configuration/best-practices/)  guide covers 10 things to consider when getting started with OpenSearch security.
+
+The [Security configuration]({{site.url}}{{site.baseurl}}/security/configuration/index/) overview provides the basic steps for setting up security in your OpenSearch implementation and includes links to information about customizing security for your business needs. 

_security/configuration/best-practices.md

@@ -2,7 +2,7 @@
 layout: default
 title: Best practices
 parent: Configuration
-nav_order: 11
+nav_order: 3
 ---
 
 # Best practices for OpenSearch security

_security/index.md

@@ -75,5 +75,8 @@ To learn more, see [Cross-cluster search]({{site.url}}{{site.baseurl}}/security/
 
 ## Next steps
 
-To get started, see the configuration overview in the [Security configuration]({{site.url}}{{site.baseurl}}/security/configuration/index/) section, which provides the basic steps for setting up security in your OpenSearch implementation and includes links to information about customizing security for your business needs.
+The [Best practices for OpenSearch security]({{site.url}}{{site.baseurl}}/security/configuration/best-practices/)  guide covers 10 things to consider when getting started with OpenSearch security.
+
+The [Security configuration]({{site.url}}{{site.baseurl}}/security/configuration/index/) overview provides the basic steps for setting up security in your OpenSearch implementation and includes links to information about customizing security for your business needs. 
+