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/ohash/dist/index.d.mts

@@ -0,0 +1,26 @@
+export { digest } from 'ohash/crypto';
+export { i as isEqual } from './shared/ohash.CMR0vuBX.mjs';
+
+/**
+ * Serializes any input value into a string for hashing.
+ *
+ * This method uses best efforts to generate stable serialized values.
+ * However, it is not designed for security purposes.
+ * Keep in mind that there is always a chance of intentional collisions caused by user input.
+ *
+ * @param input any value to serialize
+ * @return {string} serialized string value
+ */
+declare function serialize(input: any): string;
+
+/**
+ * Hashes any JS value into a string.
+ *
+ * The input is first serialized and then hashed.
+ *
+ * @param input any value to serialize
+ * @return {string} hash value
+ */
+declare function hash(input: any): string;
+
+export { hash, serialize };