chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

services/packages/pkgspec/manager.go

@@ -0,0 +1,17 @@
+// Copyright 2026 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package pkgspec
+
+import (
+	packages_model "gitea.dev/models/packages"
+	packages_service "gitea.dev/services/packages"
+	"gitea.dev/services/packages/terraform"
+)
+
+func InitManager() error {
+	mgr := packages_service.GetSpecManager()
+	mgr.Add(packages_model.TypeTerraformState, &terraform.Specialization{})
+	// TODO: add more in the future, refactor the existing code to use this approach
+	return nil
+}