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-linker-script.js

@@ -0,0 +1,30 @@
+Prism.languages['linker-script'] = {
+	'comment': {
+		pattern: /(^|\s)\/\*[\s\S]*?(?:$|\*\/)/,
+		lookbehind: true,
+		greedy: true
+	},
+	'identifier': {
+		pattern: /"[^"\r\n]*"/,
+		greedy: true
+	},
+
+	'location-counter': {
+		pattern: /\B\.\B/,
+		alias: 'important'
+	},
+
+	'section': {
+		pattern: /(^|[^\w*])\.\w+\b/,
+		lookbehind: true,
+		alias: 'keyword'
+	},
+	'function': /\b[A-Z][A-Z_]*(?=\s*\()/,
+
+	'number': /\b(?:0[xX][a-fA-F0-9]+|\d+)[KM]?\b/,
+
+	'operator': />>=?|<<=?|->|\+\+|--|&&|\|\||::|[?:~]|[-+*/%&|^!=<>]=?/,
+	'punctuation': /[(){},;]/
+};
+
+Prism.languages['ld'] = Prism.languages['linker-script'];