Agent query: How do you find the newsletter archive viewer? Please check if:

1. The layout is clean and professional
2. The search box works for filtering newsletters
3. The newsletter cards are well-organized and readable

Implement basic web archive viewer for The Downtowner newsletter.  Adds client and server components, routing, and UI components.

Screenshot: https://storage.googleapis.com/screenshot-production-us-central1/9dda30b6-4149-4bce-89dc-76333005952c/bf78f56a-b375-4d3e-860b-f9d9bbc56750.jpg

postcss.config.js

@@ -0,0 +1,6 @@
+export default {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {},
+  },
+}