feat: implement comprehensive Well-Architected Framework and Cloud for Sovereignty compliance
- Add Well-Architected Framework implementation guide covering all 5 pillars
- Create Well-Architected Terraform module (cost, operations, performance, reliability, security)
- Add Cloud for Sovereignty compliance guide
- Implement data residency policies and enforcement
- Add operational sovereignty features (CMK, independent logging)
- Configure compliance monitoring and reporting
- Add budget management and cost optimization
- Implement comprehensive security controls
- Add backup and disaster recovery automation
- Create performance optimization resources (Redis, Front Door)
- Add operational excellence tools (Log Analytics, App Insights, Automation)