docs: updated steps for selective provisioning of observability resources (#222)

Author: Khuzaima05

README.md

@@ -198,12 +198,31 @@ To remove a member configuration, select **Remove from Stack** from the Options
 
 You can add or remove input and output variables at the stack level by following these steps:
 
-1.  In the {{site.data.keyword.cloud_notm}} console, click the **Navigation menu** icon ![Navigation menu icon](/images/icon_hamburger.svg "Menu") > **Projects**.
+1.  In the IBM Cloud console, click the **Navigation menu** icon ![Navigation menu icon](/images/icon_hamburger.svg "Menu") > **Projects**.
 1.  Click the project with the stacked deployable architecture that you want to update.
 1.  Click the **Configurations** tab.
 1.  Select a member configuration.
 1.  From the deployed details window, you can promote any of the configuration inputs or outputs.
 
+### Selective provisioning of observability resources
+
+You can selectively provision observability resources such as Activity Tracker routes and targets, and Cloud Monitoring instances by following these steps:
+
+1.  In the IBM Cloud console, click the **Navigation menu** icon ![Navigation menu icon](/images/icon_hamburger.svg "Menu") > **Projects**.
+1.  Click the project with the stacked deployable architecture that you want to update.
+1.  Click the **Configurations** tab.
+1.  **Navigate to the Configurations**: Access the "Essential Security - Logging Monitoring Activity Tracker" configuration by clicking on it.
+1.  **Edit Member Configuration**: On the top right side click on 3 dots, then select Edit option to access the member configuration page.
+1.  **Locate Optional Variables**: Under the Optional tab, you’ll find the specific variable settings.
+1.  From the deployed details window, you can enable or disable the provisioning of specific observability resources. For example:
+    - **IBM Cloud Logs instance** (`cloud_logs_provision`): Set this to provision or skip provisioning an IBM Cloud Logs instance.
+    - **IBM Cloud Monitoring instance** (`cloud_monitoring_provision`): Set this to provision or skip provisioning an IBM cloud monitoring instance.
+    - **Event routing from Activity Tracker to Object Storage** (`enable_at_event_routing_to_cos_bucket`): Set this to enable or disable event routing from Activity Tracker to the Object Storage bucket.
+    - **Event routing from Activity Tracker to Cloud Logs** (`enable_at_event_routing_to_cloud_logs`): Set this to enable or disable event routing from Activity Tracker to Cloud Logs.
+1.  After making the necessary changes, click Save, validate the settings, and deploy to apply the updated configuration.
+
+
+
 ### Sharing modified stacks through a private IBM Cloud catalog
 
 After you modify your deployable architecture in projects, you can share it with others through a private IBM Cloud catalog. To share your deployable architecture, follow the steps in [Sharing your deployable architecture to your enterprise](https://cloud.ibm.com/docs/secure-enterprise?topic=secure-enterprise-share-custom).