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/svgo/bin/svgo.js

@@ -0,0 +1,10 @@
+#!/usr/bin/env node
+
+import colors from 'picocolors';
+import { program } from 'commander';
+import makeProgram from '../lib/svgo/coa.js';
+makeProgram(program);
+program.parseAsync(process.argv).catch((error) => {
+  console.error(colors.red(error.stack));
+  process.exit(1);
+});