feat: Terraform Foundation - AWS Landing Zone

Enterprise-grade multi-tenant AWS cloud foundation.

Modules:
- GitHub OIDC for keyless CI/CD authentication
- IAM account settings and security baseline
- AWS Config Rules for compliance
- ABAC (Attribute-Based Access Control)
- SCPs (Service Control Policies)

Features:
- Multi-account architecture
- Cost optimization patterns
- Security best practices
- Comprehensive documentation

Tech: Terraform, AWS Organizations, IAM Identity Center

terraform/00-bootstrap/terraform.tfvars.example

@@ -0,0 +1,6 @@
+# Example variables for 00-bootstrap layer
+# Copy to terraform.tfvars and update values
+
+project_name    = "myproject"
+deployment_mode = "single-account"  # or "multi-account"
+region          = "us-east-1"