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/lru-cache.d.mts

@@ -0,0 +1,6 @@
+import { LRUCache } from "lru-cache";
+type LRUCacheOptions = LRUCache.OptionsBase<string, any, any> & Partial<LRUCache.OptionsMaxLimit<string, any, any>> & Partial<LRUCache.OptionsSizeLimit<string, any, any>> & Partial<LRUCache.OptionsTTLLimit<string, any, any>>;
+export interface LRUDriverOptions extends LRUCacheOptions {
+}
+declare const _default: (opts: LRUDriverOptions | undefined) => import("..").Driver<LRUDriverOptions | undefined, LRUCache<string, any, any>>;
+export default _default;