Add missing CustomConfigPath parameter definition

- Add CustomConfigPath parameter to General Configuration section
- Parameter allows users to specify S3 URI for custom config.yaml files
- Includes proper validation pattern for S3 URIs
- Enables one-click deployment with custom configuration support

Author: EC2 Default User

template.yaml

@@ -143,6 +143,17 @@ Parameters:
       - "default"
     Description: >-
      Select the configuration preset for Pattern 3. Each configuration contains pre-tuned settings for specific document processing scenarios - see https://github.com/aws-samples/sample-genai-idp/blob/main/config_library/README.md. Note: Custom configuration overrides the selected pattern configuration when provided.
+  
+# CustomConfigPath:
+  
+  Type: String
+  Default: ""
+  Description: >-
+      S3 URI pointing to your custom configuration YAML file. When provided, this configuration overrides the selected pattern preset and applies to all processing patterns. 
+      Leave blank to use the selected pattern configuration preset. For example s3://my-bucket/custom-config/config.yaml
+  AllowedPattern: '^(|s3://[a-zA-Z0-9.\-_]+(/.*)?)'
+  ConstraintDescription: Must be empty or a valid S3 URI (e.g., s3://my-bucket/custom-config/config.yaml)
+  
   # HITL (A2I) Configuration
 
   EnableHITL:
@@ -267,15 +278,6 @@ Parameters:
       If you provided a Bedrock Guardrail Id above, provide the corresponding Guardrail version here (e.g. DRAFT|1|2|...).
 
   # General Configuration
-  CustomConfigPath:
-    Type: String
-    Default: ""
-    Description: >-
-      S3 URI pointing to your custom configuration YAML file. When provided, this configuration overrides the selected pattern preset and applies to all processing patterns. 
-      Leave blank to use the selected pattern configuration preset. For example s3://my-bucket/custom-config/config.yaml
-    AllowedPattern: '^(|s3://[a-zA-Z0-9.\-_]+(/.*)?)'
-    ConstraintDescription: Must be empty or a valid S3 URI (e.g., s3://my-bucket/custom-config/config.yaml)
-
   MaxConcurrentWorkflows:
     Type: Number
     Default: 100