chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

models/issues/issue_index.go

@@ -0,0 +1,23 @@
+// Copyright 2017 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package issues
+
+import (
+	"context"
+
+	"gitea.dev/models/db"
+)
+
+// RecalculateIssueIndexForRepo create issue_index for repo if not exist and
+// update it based on highest index of existing issues assigned to a repo
+func RecalculateIssueIndexForRepo(ctx context.Context, repoID int64) error {
+	return db.WithTx(ctx, func(ctx context.Context) error {
+		var maxIndex int64
+		if _, err := db.GetEngine(ctx).Select(" MAX(`index`)").Table("issue").Where("repo_id=?", repoID).Get(&maxIndex); err != nil {
+			return err
+		}
+
+		return db.SyncMaxResourceIndex(ctx, "issue_index", repoID, maxIndex)
+	})
+}