feat: initial terraform-git project

Manage Gitea resources via Terraform/Terragrunt with YAML-driven config.

Resources managed:
- Organisation (unkin)
- 28 repositories with settings
- 6 teams with members
- 13 branch protection rules
- 9 Woodpecker CI repo activations
- Deploy key module (ready, no keys yet)

Config structure: config/<service>/<org>/<type>/<object>.yaml
Consul backend for state, Vault for auth tokens.

modules/gitea_instance/modules/woodpecker_repository/main.tf

@@ -0,0 +1,4 @@
+resource "woodpecker_repository" "this" {
+  full_name  = var.full_name
+  visibility = var.visibility
+}

modules/gitea_instance/modules/woodpecker_repository/terraform.tf

@@ -0,0 +1,9 @@
+terraform {
+  required_version = ">= 1.10"
+  required_providers {
+    woodpecker = {
+      source  = "Kichiyaki/woodpecker"
+      version = "0.5.0"
+    }
+  }
+}

modules/gitea_instance/modules/woodpecker_repository/variables.tf

@@ -0,0 +1,8 @@
+variable "full_name" {
+  type = string
+}
+
+variable "visibility" {
+  type    = string
+  default = "internal"
+}