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-hoon.js

@@ -0,0 +1,14 @@
+Prism.languages.hoon = {
+	'comment': {
+		pattern: /::.*/,
+		greedy: true
+	},
+	'string': {
+		pattern: /"(?:[^"\\]|\\.)*"|'(?:[^'\\]|\\.)*'/,
+		greedy: true
+	},
+	'constant': /%(?:\.[ny]|[\w-]+)/,
+	'class-name': /@(?:[a-z0-9-]*[a-z0-9])?|\*/i,
+	'function': /(?:\+[-+] {2})?(?:[a-z](?:[a-z0-9-]*[a-z0-9])?)/,
+	'keyword': /\.[\^\+\*=\?]|![><:\.=\?!]|=[>|:,\.\-\^<+;/~\*\?]|\?[>|:\.\-\^<\+&~=@!]|\|[\$_%:\.\-\^~\*=@\?]|\+[|\$\+\*]|:[_\-\^\+~\*]|%[_:\.\-\^\+~\*=]|\^[|:\.\-\+&~\*=\?]|\$[|_%:<>\-\^&~@=\?]|;[:<\+;\/~\*=]|~[>|\$_%<\+\/&=\?!]|--|==/
+};