Add org member module (feat)

modules/github-org-member/README.md

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+# github-org-member
+
+## Requirements
+
+| Name | Version |
+|------|---------|
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.12.26 |
+| <a name="requirement_github"></a> [github](#requirement\_github) | >= 5.7.0 |
+
+## Providers
+
+| Name | Version |
+|------|---------|
+| <a name="provider_github"></a> [github](#provider\_github) | >= 5.7.0 |
+
+## Resources
+
+| Name | Type |
+|------|------|
+| [github_membership.member](https://registry.terraform.io/providers/integrations/github/latest/docs/resources/membership) | resource |
+
+## Inputs
+
+| Name | Description | Type | Default | Required |
+|------|-------------|------|---------|:--------:|
+| <a name="input_role"></a> [role](#input\_role) | The role of the user in the org. One of `admin` or `member`. | `string` | n/a | yes |
+| <a name="input_username"></a> [username](#input\_username) | The GitHub username of the user being added to the org. | `string` | n/a | yes |

modules/github-org-member/main.tf

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+terraform {
+  required_version = ">= 0.12.26"
+
+  required_providers {
+    github = {
+      source  = "integrations/github"
+      version = ">= 5.7.0"
+    }
+  }
+}
+
+resource "github_membership" "member" {
+  username = var.username
+  role     = var.role == "admin" ? "admin" : "member"
+}

modules/github-org-member/variables.tf

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+# ---------------------------------------------------------------------------------------------------------------------
+# REQUIRED VARIABLES
+# ---------------------------------------------------------------------------------------------------------------------
+
+variable "username" {
+  description = "The GitHub username of the user being added to the org."
+  type        = string
+}
+
+variable "role" {
+  description = "The role of the user in the org. One of `admin` or `member`."
+  type        = string
+
+  validation {
+    condition     = contains(["admin", "member"], var.role)
+    error_message = "Role must be either `admin` or `member`."
+  }
+}