fix: Fix product page syntax errors

1. Remove duplicate/broken code in product tables section
2. Fix PostCSS config for Tailwind 4
3. Add @tailwindcss/postcss dependency
4. Remove --production flag from Dockerfile (sharp required)

All fixes enable successful Docker build with favicon working.

node_modules/unstorage/drivers/cloudflare-kv-binding.d.ts

@@ -0,0 +1,12 @@
+export interface KVOptions {
+    binding?: string | KVNamespace;
+    /** Adds prefix to all stored keys */
+    base?: string;
+    /**
+     * The minimum time-to-live (ttl) for setItem in seconds.
+     * The default is 60 seconds as per Cloudflare's [documentation](https://developers.cloudflare.com/kv/api/write-key-value-pairs/).
+     */
+    minTTL?: number;
+}
+declare const _default: (opts: KVOptions) => import("..").Driver<KVOptions, KVNamespace<string>>;
+export default _default;