chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

routers/web/admin/perftrace.go

@@ -0,0 +1,18 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package admin
+
+import (
+	"net/http"
+
+	"gitea.dev/modules/tailmsg"
+	"gitea.dev/services/context"
+)
+
+func PerfTrace(ctx *context.Context) {
+	monitorTraceCommon(ctx)
+	ctx.Data["PageIsAdminMonitorPerfTrace"] = true
+	ctx.Data["PerfTraceRecords"] = tailmsg.GetManager().GetTraceRecorder().GetRecords()
+	ctx.HTML(http.StatusOK, tplPerfTrace)
+}