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-makefile.js

@@ -0,0 +1,34 @@
+Prism.languages.makefile = {
+	'comment': {
+		pattern: /(^|[^\\])#(?:\\(?:\r\n|[\s\S])|[^\\\r\n])*/,
+		lookbehind: true
+	},
+	'string': {
+		pattern: /(["'])(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
+		greedy: true
+	},
+
+	'builtin-target': {
+		pattern: /\.[A-Z][^:#=\s]+(?=\s*:(?!=))/,
+		alias: 'builtin'
+	},
+
+	'target': {
+		pattern: /^(?:[^:=\s]|[ \t]+(?![\s:]))+(?=\s*:(?!=))/m,
+		alias: 'symbol',
+		inside: {
+			'variable': /\$+(?:(?!\$)[^(){}:#=\s]+|(?=[({]))/
+		}
+	},
+	'variable': /\$+(?:(?!\$)[^(){}:#=\s]+|\([@*%<^+?][DF]\)|(?=[({]))/,
+
+	// Directives
+	'keyword': /-include\b|\b(?:define|else|endef|endif|export|ifn?def|ifn?eq|include|override|private|sinclude|undefine|unexport|vpath)\b/,
+
+	'function': {
+		pattern: /(\()(?:abspath|addsuffix|and|basename|call|dir|error|eval|file|filter(?:-out)?|findstring|firstword|flavor|foreach|guile|if|info|join|lastword|load|notdir|or|origin|patsubst|realpath|shell|sort|strip|subst|suffix|value|warning|wildcard|word(?:list|s)?)(?=[ \t])/,
+		lookbehind: true
+	},
+	'operator': /(?:::|[?:+!])?=|[|@]/,
+	'punctuation': /[:;(){}]/
+};