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-awk.js

@@ -0,0 +1,32 @@
+Prism.languages.awk = {
+	'hashbang': {
+		pattern: /^#!.*/,
+		greedy: true,
+		alias: 'comment'
+	},
+	'comment': {
+		pattern: /#.*/,
+		greedy: true
+	},
+	'string': {
+		pattern: /(^|[^\\])"(?:[^\\"\r\n]|\\.)*"/,
+		lookbehind: true,
+		greedy: true
+	},
+	'regex': {
+		pattern: /((?:^|[^\w\s)])\s*)\/(?:[^\/\\\r\n]|\\.)*\//,
+		lookbehind: true,
+		greedy: true
+	},
+
+	'variable': /\$\w+/,
+	'keyword': /\b(?:BEGIN|BEGINFILE|END|ENDFILE|break|case|continue|default|delete|do|else|exit|for|function|getline|if|in|next|nextfile|printf?|return|switch|while)\b|@(?:include|load)\b/,
+
+	'function': /\b[a-z_]\w*(?=\s*\()/i,
+	'number': /\b(?:\d+(?:\.\d+)?(?:e[+-]?\d+)?|0x[a-fA-F0-9]+)\b/,
+
+	'operator': /--|\+\+|!?~|>&|>>|<<|(?:\*\*|[<>!=+\-*/%^])=?|&&|\|[|&]|[?:]/,
+	'punctuation': /[()[\]{},;]/
+};
+
+Prism.languages.gawk = Prism.languages.awk;