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/utils/index.cjs

@@ -0,0 +1,35 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.createError = createError;
+exports.createRequiredError = createRequiredError;
+exports.defineDriver = defineDriver;
+exports.joinKeys = joinKeys;
+exports.normalizeKey = normalizeKey;
+function defineDriver(factory) {
+  return factory;
+}
+function normalizeKey(key, sep = ":") {
+  if (!key) {
+    return "";
+  }
+  return key.replace(/[:/\\]/g, sep).replace(/^[:/\\]|[:/\\]$/g, "");
+}
+function joinKeys(...keys) {
+  return keys.map(key => normalizeKey(key)).filter(Boolean).join(":");
+}
+function createError(driver, message, opts) {
+  const err = new Error(`[unstorage] [${driver}] ${message}`, opts);
+  if (Error.captureStackTrace) {
+    Error.captureStackTrace(err, createError);
+  }
+  return err;
+}
+function createRequiredError(driver, name) {
+  if (Array.isArray(name)) {
+    return createError(driver, `Missing some of the required options ${name.map(n => "`" + n + "`").join(", ")}`);
+  }
+  return createError(driver, `Missing required option \`${name}\`.`);
+}