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

live/staging/env.hcl

@@ -0,0 +1,17 @@
+# Staging environment configuration
+locals {
+  environment  = "staging"
+  aws_region   = "us-east-1"
+  project_name = "myproject"  # Update this
+  
+  # Environment-specific settings
+  settings = {
+    multi_az           = false
+    deletion_protection = false
+    backup_retention   = 7
+    instance_class     = "db.t3.small"
+    node_type          = "cache.t3.small"
+    min_capacity       = 1
+    max_capacity       = 5
+  }
+}