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/zod-to-json-schema/dist/esm/parsers/nativeEnum.js

@@ -0,0 +1,16 @@
+export function parseNativeEnumDef(def) {
+    const object = def.values;
+    const actualKeys = Object.keys(def.values).filter((key) => {
+        return typeof object[object[key]] !== "number";
+    });
+    const actualValues = actualKeys.map((key) => object[key]);
+    const parsedTypes = Array.from(new Set(actualValues.map((values) => typeof values)));
+    return {
+        type: parsedTypes.length === 1
+            ? parsedTypes[0] === "string"
+                ? "string"
+                : "number"
+            : ["string", "number"],
+        enum: actualValues,
+    };
+}