fix: update the DA diagram link (#501)

Author: piyush117

ibm_catalog.json

@@ -503,7 +503,7 @@
               {
                 "diagram": {
                   "caption": "Observability instances on IBM Cloud",
-                  "url": "https://raw.githubusercontent.com/terraform-ibm-modules/terraform-ibm-observability-da/main/reference-architecture/deployable-architecture-observability-instances.svg",
+                  "url": "https://raw.githubusercontent.com/terraform-ibm-modules/terraform-ibm-observability-da/main/reference-architectures/deployable-architecture-observability-instances.svg",
                   "type": "image/svg+xml"
                 },
                 "description": "This architecture supports creating and configuring IBM Cloud Observability instances and IBM Cloud Activity Tracker Event Routing to an Object Storage bucket and Cloud Logs instance."
@@ -794,7 +794,7 @@
               {
                 "diagram": {
                   "caption": "Observability agents on a Red Hat OpenShift cluster",
-                  "url": "https://raw.githubusercontent.com/terraform-ibm-modules/terraform-ibm-observability-da/main/reference-architecture/deployable-architecture-observability-agents.svg",
+                  "url": "https://raw.githubusercontent.com/terraform-ibm-modules/terraform-ibm-observability-da/main/reference-architectures/deployable-architecture-observability-agents.svg",
                   "type": "image/svg+xml"
                 },
                 "description": "Observability agents deployed on a Red Hat OpenShift cluster on a secure landing zone."
@@ -854,7 +854,7 @@
               {
                 "diagram": {
                   "caption": "logs-router",
-                  "url": "https://raw.githubusercontent.com/terraform-ibm-modules/terraform-ibm-observability-da/main/reference-architecture/deployable-architecture-logs-routing.svg",
+                  "url": "https://raw.githubusercontent.com/terraform-ibm-modules/terraform-ibm-observability-da/main/reference-architectures/deployable-architecture-logs-routing.svg",
                   "type": "image/svg+xml"
                 },
                 "description": "Log Router Tenant for routing logs to cloud logs instance"

reference-architecture/deployable-architecture-logs-routing.svg renamed to reference-architectures/deployable-architecture-logs-routing.svg

@@ -17,7 +17,7 @@ version: 2.4.1
 # See https://test.cloud.ibm.com/docs/get-coding?topic=get-coding-deploy-button
 deployment-url: https://cloud.ibm.com/catalog/7a4d68b4-cf8b-40cd-a3d1-f49aff526eb3/architecture/deploy-arch-ibm-observability-a3137d28-79e0-479d-8a24-758ebd5a0eab-global
 
-image_source: https://github.com/terraform-ibm-modules/terraform-ibm-observability-da/blob/main/reference-architecture/deployable-architecture-observability-instances.svg
+image_source: https://github.com/terraform-ibm-modules/terraform-ibm-observability-da/blob/main/reference-architectures/deployable-architecture-observability-instances.svg
 
 use-case:
   - Observability

reference-architecture/deployable-architecture-observability-agents.svg renamed to reference-architectures/deployable-architecture-observability-agents.svg

@@ -16,6 +16,6 @@ This deployable architecture creates observability instances in IBM Cloud and su
 * An option to integrate Cloud Logs with existing event notification instance.
 * An option to configure Cloud logs policies (TCO Optimizer).
 
-![observability-instances-deployable-architecture](../../reference-architecture/deployable-architecture-observability-instances.svg)
+![observability-instances-deployable-architecture](../../reference-architectures/deployable-architecture-observability-instances.svg)
 
 **Important:** Because this solution contains a provider configuration and is not compatible with the `for_each`, `count`, and `depends_on` arguments, do not call this solution from one or more other modules. For more information about how resources are associated with provider configurations with multiple modules, see [Providers Within Modules](https://developer.hashicorp.com/terraform/language/modules/develop/providers).

reference-architecture/deployable-architecture-observability-instances.svg renamed to reference-architectures/deployable-architecture-observability-instances.svg

@@ -2,7 +2,7 @@
 
 This architecture supports creating Cloud Logs tenants.
 
-![logs-routing-deployable-architecture](../../reference-architecture/deployable-architecture-logs-routing.svg)
+![logs-routing-deployable-architecture](../../reference-architectures/deployable-architecture-logs-routing.svg)
 
 ## Before you begin