chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

modules/auth/pam/pam_stub.go

@@ -0,0 +1,22 @@
+// Copyright 2014 The Gogs Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+//go:build !pam
+
+package pam
+
+import (
+	"errors"
+)
+
+// Supported is false when built without PAM
+var Supported = false
+
+// Auth not supported lack of pam tag
+func Auth(serviceName, userName, passwd string) (string, error) {
+	// bypass the lint on callers: SA4023: this comparison is always true (staticcheck)
+	if !Supported {
+		return "", errors.New("PAM not supported")
+	}
+	return "", nil
+}