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-actionscript.js

@@ -0,0 +1,19 @@
+Prism.languages.actionscript = Prism.languages.extend('javascript', {
+	'keyword': /\b(?:as|break|case|catch|class|const|default|delete|do|dynamic|each|else|extends|final|finally|for|function|get|if|implements|import|in|include|instanceof|interface|internal|is|namespace|native|new|null|override|package|private|protected|public|return|set|static|super|switch|this|throw|try|typeof|use|var|void|while|with)\b/,
+	'operator': /\+\+|--|(?:[+\-*\/%^]|&&?|\|\|?|<<?|>>?>?|[!=]=?)=?|[~?@]/
+});
+Prism.languages.actionscript['class-name'].alias = 'function';
+
+// doesn't work with AS because AS is too complex
+delete Prism.languages.actionscript['parameter'];
+delete Prism.languages.actionscript['literal-property'];
+
+if (Prism.languages.markup) {
+	Prism.languages.insertBefore('actionscript', 'string', {
+		'xml': {
+			pattern: /(^|[^.])<\/?\w+(?:\s+[^\s>\/=]+=("|')(?:\\[\s\S]|(?!\2)[^\\])*\2)*\s*\/?>/,
+			lookbehind: true,
+			inside: Prism.languages.markup
+		}
+	});
+}