✨ feat: Implement blog home and post components with sidebar and pagination

- Added BlogHome component for displaying posts with sorting options (latest/popular).
- Integrated Sidebar with About, Hot Posts, Tags, and Misskey Iframe components.
- Created BlogPost component to render individual posts with metadata and content.
- Developed GravatarAvatar component for user avatars.
- Implemented Markdown rendering with syntax highlighting and custom code blocks.
- Added pagination component for navigating through posts.
- Enhanced login form with OpenID Connect options and email/password authentication.
- Utility functions for generating post URLs and calculating reading time.

web/src/components/layout/footer.tsx

@@ -0,0 +1,10 @@
+import config from "@/config";
+import React from "react";
+
+export default function Footer() {
+  return (
+    <footer className="w-full py-6 text-center text-sm text-gray-500 dark:text-gray-400 border-t border-gray-200 dark:border-gray-700 mt-12">
+      © {new Date().getFullYear()} {config.metadata.name} · Powered by {config.owner.name} · {config.footer.text}
+    </footer>
+  );
+}