feat: Expand CloudFormation and ELB permissions for infrastructure management
- Add CloudFormation resource scanning permissions (DescribeResourceScan, ListResourceScans, StartResourceScan)
- Add CloudFormation template generation permissions (CreateGeneratedTemplate, UpdateGeneratedTemplate)
- Add S3 bucket encryption and public access block configuration permissions
- Expand ELB target group management (create, delete, tag, remove tags)
- Add ELB listener and rule management permissions (create, delete, modify)
- Update commit message generator skill documentation with format guidelines