[DOC] Index pattern and cluster exclusion examples with CCS (#61256) (#…

…96848)

* [DOC] Index pattern and cluster exclusion examples with CCS

Providing some examples of using Index Pattern and cluster exclusions with CCS

* Update docs/management/index-patterns.asciidoc

* Update docs/management/index-patterns.asciidoc

* Update docs/management/index-patterns.asciidoc

Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>

Co-authored-by: Luca Belluccini <luca.belluccini@elastic.co>
Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>

docs/management/index-patterns.asciidoc

@@ -88,6 +88,11 @@ To query across all {es} clusters that have been configured for {ccs},
 use a standalone wildcard for your cluster name in your index
 pattern: `*:logstash-*`.
 
+You can use exclusions to exclude indices that might contain mapping errors.
+To match indices starting with `logstash-`, and exclude those starting with `logstash-old` from 
+all clusters having a name starting with `cluster_`, you can use `cluster_*:logstash-*,cluster*:logstash-old*`.
+To exclude a cluster, use `cluster_*:logstash-*,cluster_one:-*`.
+
 Once an index pattern is configured using the {ccs} syntax, all searches and
 aggregations using that index pattern in {kib} take advantage of {ccs}.