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/modules/ram-share/variables.tf

@@ -0,0 +1,49 @@
+################################################################################
+# RAM Share - Input Variables
+################################################################################
+
+variable "name" {
+  type        = string
+  description = "Name of the resource share"
+}
+
+variable "resource_arns" {
+  type        = list(string)
+  description = "List of resource ARNs to share"
+}
+
+variable "share_with_organization" {
+  type        = bool
+  default     = false
+  description = "Share with entire organization"
+}
+
+variable "principal_ous" {
+  type        = list(string)
+  default     = []
+  description = "OU ARNs to share with"
+}
+
+variable "principal_accounts" {
+  type        = list(string)
+  default     = []
+  description = "Account IDs to share with"
+}
+
+variable "allow_external_principals" {
+  type        = bool
+  default     = false
+  description = "Allow sharing with external accounts"
+}
+
+variable "permission_arns" {
+  type        = list(string)
+  default     = null
+  description = "Custom RAM permission ARNs"
+}
+
+variable "tags" {
+  type        = map(string)
+  default     = {}
+  description = "Tags to apply to resources"
+}