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/etc/roles/literal/menuRole.js

@@ -0,0 +1,44 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+var menuRole = {
+  abstract: false,
+  accessibleNameRequired: false,
+  baseConcepts: [],
+  childrenPresentational: false,
+  nameFrom: ['author'],
+  prohibitedProps: [],
+  props: {
+    'aria-orientation': 'vertical'
+  },
+  relatedConcepts: [{
+    concept: {
+      name: 'MENU'
+    },
+    module: 'JAPI'
+  }, {
+    concept: {
+      name: 'list'
+    },
+    module: 'ARIA'
+  }, {
+    concept: {
+      name: 'select'
+    },
+    module: 'XForms'
+  }, {
+    concept: {
+      name: 'sidebar'
+    },
+    module: 'DTB'
+  }],
+  requireContextRole: [],
+  requiredContextRole: [],
+  requiredOwnedElements: [['menuitem', 'group'], ['menuitemradio', 'group'], ['menuitemcheckbox', 'group'], ['menuitem'], ['menuitemcheckbox'], ['menuitemradio']],
+  requiredProps: {},
+  superClass: [['roletype', 'widget', 'composite', 'select'], ['roletype', 'structure', 'section', 'group', 'select']]
+};
+var _default = exports.default = menuRole;