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/css-tree/cjs/syntax/scope/index.cjs

@@ -0,0 +1,11 @@
+'use strict';
+
+const atrulePrelude = require('./atrulePrelude.cjs');
+const selector = require('./selector.cjs');
+const value = require('./value.cjs');
+
+
+
+exports.AtrulePrelude = atrulePrelude;
+exports.Selector = selector;
+exports.Value = value;