fix: Add documentation around new muting rule search capability

src/content/docs/alerts/get-notified/muting-rules-suppress-notifications.mdx

@@ -23,6 +23,18 @@ A muting rule condition is the set of individual expressions made up of attribut
 
 You can create, enable, disable, and manage muting rules. Go to <DNT>**[one.newrelic.com > All capabilities](https://one.newrelic.com/all-capabilities) > Alerts > Muting rules**</DNT>. Enable or disable muting rules at any time. Click the <Icon name="fe-more-horizontal"/> icon on the row of each rule to edit and remove rules.
 
+## Search and Filter Muting Rules [#search-filter-rules]
+
+To streamline managing your muting rules, you can utilize the search feature to filter the displayed list. This search function allows you to filter by:
+
+- Account Name
+- Account ID
+- Muting Rule Name
+- Muting Rule ID
+- Muting Rule Status
+
+Additionally, there is a toggle option to display only enabled muting rules. This can help you quickly identify and manage active muting rules without navigating through the entire list.
+
 Rules can have one of the following statuses:
 
 * <DNT>**Active**</DNT>: Muting is enabled and active.
@@ -312,7 +324,7 @@ The following table describes how the alerts incident lifecycle is affected by m
   </tbody>
 </table>
 
-# Muting behavior with workflows [#workflow-behavior]
+## Muting behavior with workflows [#workflow-behavior]
 
 A triggered incident has a 1:1 ratio with an issue so if an incident is muted then the matching issue will be muted as well.
 Workflows are triggered by issues that can have one or more incidents, therefore there could be a scenario of muted and not muted incidents combined.
@@ -582,4 +594,4 @@ For more information about making requests to NerdGraph, see the [NerdGraph docu
     }
     ```
   </Collapser>
-</CollapserGroup>
+</CollapserGroup>