feat: initial release of pengzhan.dev personal editorial blog platform

- Editorial web platform built with Node.js, Express, EJS, and Vanilla CSS
- Markdown content engine with YAML frontmatter, bilingual variants, and hot-reload watcher
- Unified SQLite with FTS5 search indexing, query logging, and schema filters
- Centered editorial post layout with margin-docked left TOC and mobile bottom sheet
- WordPress-grade comment system with moderation dashboard and bulk operations under /guanli
- Complete SEO suite (JSON-LD structured data, RSS/Atom feeds, XML sitemap, robots.txt)
- CI/CD workflows for linting, security audits (Gitleaks), automated tests, and Docker releases

server/routes/home.js

@@ -0,0 +1,16 @@
+const express = require('express');
+const router = express.Router();
+const contentService = require('../services/content');
+
+router.get('/', (req, res) => {
+  const homePage = contentService.getPage('/');
+  const recentPosts = contentService.getAllPosts().slice(0, 6);
+
+  res.render('pages/home', {
+    title: homePage ? homePage.title : res.locals.site.title,
+    page: homePage,
+    recentPosts
+  });
+});
+
+module.exports = router;