chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

routers/private/manager_unix.go

@@ -0,0 +1,25 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+//go:build !windows
+
+package private
+
+import (
+	"net/http"
+
+	"gitea.dev/modules/graceful"
+	"gitea.dev/services/context"
+)
+
+// Restart causes the server to perform a graceful restart
+func Restart(ctx *context.PrivateContext) {
+	graceful.GetManager().DoGracefulRestart()
+	ctx.PlainText(http.StatusOK, "success")
+}
+
+// Shutdown causes the server to perform a graceful shutdown
+func Shutdown(ctx *context.PrivateContext) {
+	graceful.GetManager().DoGracefulShutdown()
+	ctx.PlainText(http.StatusOK, "success")
+}