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-solution-file.js

@@ -0,0 +1,51 @@
+(function (Prism) {
+
+	var guid = {
+		// https://en.wikipedia.org/wiki/Universally_unique_identifier#Format
+		pattern: /\{[\da-f]{8}-[\da-f]{4}-[\da-f]{4}-[\da-f]{4}-[\da-f]{12}\}/i,
+		alias: 'constant',
+		inside: {
+			'punctuation': /[{}]/
+		}
+	};
+
+	Prism.languages['solution-file'] = {
+		'comment': {
+			pattern: /#.*/,
+			greedy: true
+		},
+		'string': {
+			pattern: /"[^"\r\n]*"|'[^'\r\n]*'/,
+			greedy: true,
+			inside: {
+				'guid': guid
+			}
+		},
+		'object': {
+			// Foo
+			//   Bar("abs") = 9
+			//   EndBar
+			//   Prop = TRUE
+			// EndFoo
+			pattern: /^([ \t]*)(?:([A-Z]\w*)\b(?=.*(?:\r\n?|\n)(?:\1[ \t].*(?:\r\n?|\n))*\1End\2(?=[ \t]*$))|End[A-Z]\w*(?=[ \t]*$))/m,
+			lookbehind: true,
+			greedy: true,
+			alias: 'keyword'
+		},
+		'property': {
+			pattern: /^([ \t]*)(?!\s)[^\r\n"#=()]*[^\s"#=()](?=\s*=)/m,
+			lookbehind: true,
+			inside: {
+				'guid': guid
+			}
+		},
+		'guid': guid,
+		'number': /\b\d+(?:\.\d+)*\b/,
+		'boolean': /\b(?:FALSE|TRUE)\b/,
+		'operator': /=/,
+		'punctuation': /[(),]/
+	};
+
+	Prism.languages['sln'] = Prism.languages['solution-file'];
+
+}(Prism));