chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

modules/system/item_runtime.go

@@ -0,0 +1,15 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package system
+
+// RuntimeState contains app state for runtime, and we can save remote version for update checker here in future
+type RuntimeState struct {
+	LastAppPath    string `json:"last_app_path"`
+	LastCustomConf string `json:"last_custom_conf"`
+}
+
+// Name returns the item name
+func (a RuntimeState) Name() string {
+	return "runtime-state"
+}