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/aria-query/lib/util/iteratorProxy.js

@@ -0,0 +1,32 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+// eslint-disable-next-line no-unused-vars
+function iteratorProxy() {
+  var values = this;
+  var index = 0;
+  var iter = {
+    '@@iterator': function iterator() {
+      return iter;
+    },
+    next: function next() {
+      if (index < values.length) {
+        var value = values[index];
+        index = index + 1;
+        return {
+          done: false,
+          value: value
+        };
+      } else {
+        return {
+          done: true
+        };
+      }
+    }
+  };
+  return iter;
+}
+var _default = exports.default = iteratorProxy;