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/parse-latin/lib/expressions.d.ts

@@ -0,0 +1,11 @@
+export const affixSymbol: RegExp;
+export const newLine: RegExp;
+export const terminalMarker: RegExp;
+export const wordSymbolInner: RegExp;
+export const numerical: RegExp;
+export const digitStart: RegExp;
+export const lowerInitial: RegExp;
+export const surrogates: RegExp;
+export const punctuation: RegExp;
+export const word: RegExp;
+export const whiteSpace: RegExp;