chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

models/renderhelper/simple_document.go

@@ -0,0 +1,35 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package renderhelper
+
+import (
+	"context"
+
+	"gitea.dev/modules/markup"
+)
+
+type SimpleDocument struct {
+	*markup.SimpleRenderHelper
+	ctx      *markup.RenderContext
+	baseLink string
+}
+
+func (r *SimpleDocument) ResolveLink(link, preferLinkType string) string {
+	linkType, link := markup.ParseRenderedLink(link, preferLinkType)
+	switch linkType {
+	case markup.LinkTypeRoot:
+		return r.ctx.ResolveLinkRoot(link)
+	default:
+		return r.ctx.ResolveLinkRelative(r.baseLink, "", link)
+	}
+}
+
+var _ markup.RenderHelper = (*SimpleDocument)(nil)
+
+func NewRenderContextSimpleDocument(ctx context.Context, baseLink string) *markup.RenderContext {
+	helper := &SimpleDocument{baseLink: baseLink}
+	rctx := markup.NewRenderContext(ctx).WithHelper(helper).WithMetas(markup.ComposeSimpleDocumentMetas())
+	helper.ctx = rctx
+	return rctx
+}