chore: update the DA overview text and feature section (#443)

Author: piyush117

ibm_catalog.json

@@ -21,7 +21,7 @@
         "solution"
       ],
       "short_description": "Create and configure a Secrets Manager instance with optional security, logging, and notification services",
-      "long_description": "This deployable architecture is used to provision and configure an [IBM Cloud Secrets Manager](https://www.ibm.com/products/secrets-manager) instance. It optionally supports creating [Key Protect](https://cloud.ibm.com/docs/key-protect?topic=key-protect-getting-started-tutorial) for data encryption by using your own managed keys.\n* [Cloud Logs](https://cloud.ibm.com/docs/cloud-logs?topic=cloud-logs-getting-started) for logging and monitoring platform logs.\n* [Cloud Monitoring](https://cloud.ibm.com/docs/monitoring?topic=monitoring-getting-started) to measure how users and applications interact with the Secrets Manager instance.\n* [Event Notifications](https://cloud.ibm.com/docs/event-notifications?topic=event-notifications-getting-started) to send notifications of events to other users, or destinations, by using email, SMS or other supported delivery channels.\n\nℹ️ This deployable architecture is a part of a larger collection that IBM provides. Each deployable architecture focuses on a single IBM Cloud service. You can use these deployable architectures on their own to automate deployments by following an [IaC approach](https://cloud.ibm.com/docs/secure-enterprise?topic=secure-enterprise-understanding-projects), or you can [combine them together](https://cloud.ibm.com/docs/secure-enterprise?topic=secure-enterprise-config-stack) to deploy a more complex end-to-end solution architecture.",
+      "long_description": "This deployable architecture is used to provision and configure an [IBM Cloud Secrets Manager](https://www.ibm.com/products/secrets-manager) instance. It optionally supports creating [Key Protect](https://cloud.ibm.com/docs/key-protect?topic=key-protect-getting-started-tutorial) for data encryption by using your own managed keys.\n* [Cloud Logs](https://cloud.ibm.com/docs/cloud-logs?topic=cloud-logs-getting-started) for logging and monitoring platform logs.\n* [Cloud Monitoring](https://cloud.ibm.com/docs/monitoring?topic=monitoring-getting-started) to measure how users and applications interact with the Secrets Manager instance.\n* [Event Notifications](https://cloud.ibm.com/docs/event-notifications?topic=event-notifications-getting-started) to send notifications of events to other users, or destinations, by using email, SMS or other supported delivery channels. \n\nLeverage [Terraform IBM Modules](https://github.com/terraform-ibm-modules) to shape and scale your solutions. You can integrate Terraform IBM Modules (TIM) to extend functionality and design a solution tailored to your environment and operations needs. These modules offer reusable, customizable elements that follow IBM Cloud's recommended practices. You can access the [source code and documentation](https://github.com/terraform-ibm-modules/terraform-ibm-secrets-manager) and use it to extend your current architecture or create new solutions.\n\nℹ️ This deployable architecture is a part of a larger collection that IBM provides. Each deployable architecture focuses on a single IBM Cloud service. You can use these deployable architectures on their own to automate deployments by following an [IaC approach](https://cloud.ibm.com/docs/secure-enterprise?topic=secure-enterprise-understanding-projects), or you can [combine them together](https://cloud.ibm.com/docs/secure-enterprise?topic=secure-enterprise-config-stack) to deploy a more complex end-to-end solution architecture.",
       "offering_docs_url": "https://github.com/terraform-ibm-modules/terraform-ibm-secrets-manager/blob/main/README.md",
       "offering_icon_url": "https://raw.githubusercontent.com/terraform-ibm-modules/terraform-ibm-secrets-manager/main/images/secrets_manager.svg",
       "provider_name": "IBM",
@@ -57,6 +57,10 @@
         {
           "title": "Sets up monitoring operational metrics for Secrets Manager instance",
           "description": "Optionally, you can set up IBM Cloud Monitoring service to measure how users and applications interact with your Secrets Manager instance. [Learn more](https://cloud.ibm.com/docs/secrets-manager?topic=secrets-manager-operational-metrics)."
+        },
+        {
+          "title": "Composable and Extensible Architecture",
+          "description": "This architecture illustrates how Terraform IBM Modules(TIM) can be integrated to deliver a complete solution on IBM Cloud. Each module is a reusable, and validated component for security, compliance, and operational IBM best practices. You can deploy this architecture as-is or configure it as code by leveraging the underlying modules to fit your specific requirements. Explore the [source code and documentation](https://github.com/terraform-ibm-modules/terraform-ibm-secrets-manager) to adapt, extend, or create entirely new solutions using these building blocks."
         }
       ],
       "flavors": [