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-docs.yml

@@ -0,0 +1,76 @@
+# terraform-docs configuration
+# https://terraform-docs.io/user-guide/configuration/
+
+formatter: markdown table
+
+version: ">= 0.16.0"
+
+header-from: ""
+footer-from: ""
+
+recursive:
+  enabled: false
+
+sections:
+  hide: []
+  show: []
+
+content: |-
+  {{ .Header }}
+
+  ## Requirements
+
+  {{ .Requirements }}
+
+  ## Providers
+
+  {{ .Providers }}
+
+  ## Modules
+
+  {{ .Modules }}
+
+  ## Resources
+
+  {{ .Resources }}
+
+  ## Inputs
+
+  {{ .Inputs }}
+
+  ## Outputs
+
+  {{ .Outputs }}
+
+  {{ .Footer }}
+
+output:
+  file: README.md
+  mode: inject
+  template: |-
+    <!-- BEGIN_TF_DOCS -->
+    {{ .Content }}
+    <!-- END_TF_DOCS -->
+
+output-values:
+  enabled: false
+  from: ""
+
+sort:
+  enabled: true
+  by: required
+
+settings:
+  anchor: true
+  color: true
+  default: true
+  description: true
+  escape: true
+  hide-empty: false
+  html: true
+  indent: 2
+  lockfile: true
+  read-comments: true
+  required: true
+  sensitive: true
+  type: true