chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

models/migrations/v1_13/v150.go

@@ -0,0 +1,38 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package v1_13
+
+import (
+	"gitea.dev/models/db"
+	"gitea.dev/models/migrations/base"
+	"gitea.dev/modules/timeutil"
+)
+
+func AddPrimaryKeyToRepoTopic(x db.EngineMigration) error {
+	// Topic represents a topic of repositories
+	type Topic struct {
+		ID          int64  `xorm:"pk autoincr"`
+		Name        string `xorm:"UNIQUE VARCHAR(25)"`
+		RepoCount   int
+		CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
+		UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
+	}
+
+	// RepoTopic represents associated repositories and topics
+	type RepoTopic struct {
+		RepoID  int64 `xorm:"pk"`
+		TopicID int64 `xorm:"pk"`
+	}
+
+	sess := x.NewSession()
+	defer sess.Close()
+	if err := sess.Begin(); err != nil {
+		return err
+	}
+
+	base.RecreateTable(sess, &Topic{})
+	base.RecreateTable(sess, &RepoTopic{})
+
+	return sess.Commit()
+}