* feat: Plane Commercial AMI Publish Action
* feat: update CloudFormation template and workflow for AMI publishing
- Added new environment variables for CloudFormation template and output file in the GitHub Actions workflow.
- Refactored the CloudFormation template to set default CIDR values and simplified region restrictions.
- Updated the Packer configuration to use instance type directly instead of spot instance types.
* feat: add new infrastructure parameters for VPC and public subnet CIDR blocks in CloudFormation template
* chore: update AMI publish region default value and clean up CloudFormation template by removing outdated parameters and logic
* chore: update AWS VPC and subnet CIDR defaults, modify instance type, and adjust AMI volume size in Packer configuration
* Enhance CloudFormation template and related scripts to support Instance Domain Name configuration. Added parameters for InstanceDomainName, updated metadata, and modified user data scripts to export the domain name. Updated verify-plane-setup script to utilize the domain name for access instructions.
* Update appliance-docker-ee.yml to change default AMI publish region to 'us-east-1' and update AWS manifest bucket to 'plane-terraform-marketplace'
* Add JSON validation for AMI cleanup in appliance-docker-ee.yml
