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/prismjs/components/prism-gettext.js

@@ -0,0 +1,43 @@
+Prism.languages.gettext = {
+	'comment': [
+		{
+			pattern: /# .*/,
+			greedy: true,
+			alias: 'translator-comment'
+		},
+		{
+			pattern: /#\..*/,
+			greedy: true,
+			alias: 'extracted-comment'
+		},
+		{
+			pattern: /#:.*/,
+			greedy: true,
+			alias: 'reference-comment'
+		},
+		{
+			pattern: /#,.*/,
+			greedy: true,
+			alias: 'flag-comment'
+		},
+		{
+			pattern: /#\|.*/,
+			greedy: true,
+			alias: 'previously-untranslated-comment'
+		},
+		{
+			pattern: /#.*/,
+			greedy: true
+		},
+	],
+	'string': {
+		pattern: /(^|[^\\])"(?:[^"\\]|\\.)*"/,
+		lookbehind: true,
+		greedy: true
+	},
+	'keyword': /^msg(?:ctxt|id|id_plural|str)\b/m,
+	'number': /\b\d+\b/,
+	'punctuation': /[\[\]]/
+};
+
+Prism.languages.po = Prism.languages.gettext;