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/micromark-util-decode-string/index.d.ts

@@ -0,0 +1,14 @@
+/**
+ * Decode markdown strings (which occur in places such as fenced code info
+ * strings, destinations, labels, and titles).
+ *
+ * The “string” content type allows character escapes and -references.
+ * This decodes those.
+ *
+ * @param {string} value
+ *   Value to decode.
+ * @returns {string}
+ *   Decoded value.
+ */
+export function decodeString(value: string): string;
+//# sourceMappingURL=index.d.ts.map