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/upstash.d.cts

@@ -0,0 +1,19 @@
+import { type RedisConfigNodejs, Redis } from "@upstash/redis";
+export interface UpstashOptions extends Partial<RedisConfigNodejs> {
+    /**
+     * Optional prefix to use for all keys. Can be used for namespacing.
+     */
+    base?: string;
+    /**
+     * Default TTL for all items in seconds.
+     */
+    ttl?: number;
+    /**
+     * How many keys to scan at once.
+     *
+     * [redis documentation](https://redis.io/docs/latest/commands/scan/#the-count-option)
+     */
+    scanCount?: number;
+}
+declare const _default: (opts: UpstashOptions) => import("..").Driver<UpstashOptions, Redis>;
+export default _default;