docs: Added Filter Doc in Index (#4253)

* Added Filter Doc in Index

* Fixes

docs/SUMMARY.md

@@ -35,6 +35,7 @@
   * [External Links](user-guide/global-configurations/external-links.md)
   * [Scoped Variables](user-guide/global-configurations/scoped-variables.md)
   * [Tags Policy](user-guide/global-configurations/tags-policy.md)
+  * [Filter Condition](user-guide/global-configurations/filter-condition.md)
 * [Devtron Upgrade](setup/upgrade/README.md)
   * [Update Devtron from Devtron UI](setup/upgrade/upgrade-devtron-ui.md)
   * [0.5.x-0.6.x](setup/upgrade/devtron-upgrade-0.5.x-0.6.x.md)
@@ -80,7 +81,7 @@
   * [App Details](user-guide/creating-application/app-details.md)
     * [Debugging Deployment And Monitoring](user-guide/debugging-deployment-and-monitoring.md)
     * [Using Ephemeral Containers](user-guide/app-details/ephemeral-containers.md)
-    * [Application Metrics](user-guide/creating-application/app-metrics.md) 
+    * [Application Metrics](user-guide/creating-application/app-metrics.md)
   * [Overview](user-guide/creating-application/overview.md)
 * [Jobs](user-guide/jobs/README.md)
   * [Create a new job](user-guide/jobs/create-job.md)