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/any.js

@@ -0,0 +1,17 @@
+import { getRelativePath } from "../getRelativePath.js";
+export function parseAnyDef(refs) {
+    if (refs.target !== "openAi") {
+        return {};
+    }
+    const anyDefinitionPath = [
+        ...refs.basePath,
+        refs.definitionPath,
+        refs.openAiAnyTypeName,
+    ];
+    refs.flags.hasReferencedOpenAiAnyType = true;
+    return {
+        $ref: refs.$refStrategy === "relative"
+            ? getRelativePath(anyDefinitionPath, refs.currentPath)
+            : anyDefinitionPath.join("/"),
+    };
+}