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/@shikijs/langs/dist/angular-inline-template.mjs

@@ -0,0 +1,10 @@
+import angular_html from './angular-html.mjs'
+import angular_template from './angular-template.mjs'
+
+const lang = Object.freeze(JSON.parse("{\"injectTo\":[\"source.ts.ng\"],\"injectionSelector\":\"L:meta.decorator.ts -comment -text.html\",\"name\":\"angular-inline-template\",\"patterns\":[{\"include\":\"#inlineTemplate\"}],\"repository\":{\"inlineTemplate\":{\"begin\":\"(template)\\\\s*(:)\",\"beginCaptures\":{\"1\":{\"name\":\"meta.object-literal.key.ts\"},\"2\":{\"name\":\"meta.object-literal.key.ts punctuation.separator.key-value.ts\"}},\"end\":\"(?=[,}])\",\"patterns\":[{\"include\":\"#tsParenExpression\"},{\"include\":\"#ngTemplate\"}]},\"ngTemplate\":{\"begin\":\"\\\\G\\\\s*([\\\"'`|])\",\"beginCaptures\":{\"1\":{\"name\":\"string\"}},\"contentName\":\"text.html.derivative.ng\",\"end\":\"\\\\1\",\"endCaptures\":{\"0\":{\"name\":\"string\"}},\"patterns\":[{\"include\":\"text.html.derivative.ng\"},{\"include\":\"template.ng\"}]},\"tsParenExpression\":{\"begin\":\"\\\\G\\\\s*(\\\\()\",\"beginCaptures\":{\"1\":{\"name\":\"meta.brace.round.ts\"}},\"end\":\"\\\\)\",\"endCaptures\":{\"0\":{\"name\":\"meta.brace.round.ts\"}},\"patterns\":[{\"include\":\"#tsParenExpression\"},{\"include\":\"#ngTemplate\"}]}},\"scopeName\":\"inline-template.ng\",\"embeddedLangs\":[\"angular-html\",\"angular-template\"]}"))
+
+export default [
+...angular_html,
+...angular_template,
+lang
+]