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/map.js

@@ -0,0 +1,26 @@
+import { parseDef } from "../parseDef.js";
+import { parseRecordDef } from "./record.js";
+import { parseAnyDef } from "./any.js";
+export function parseMapDef(def, refs) {
+    if (refs.mapStrategy === "record") {
+        return parseRecordDef(def, refs);
+    }
+    const keys = parseDef(def.keyType._def, {
+        ...refs,
+        currentPath: [...refs.currentPath, "items", "items", "0"],
+    }) || parseAnyDef(refs);
+    const values = parseDef(def.valueType._def, {
+        ...refs,
+        currentPath: [...refs.currentPath, "items", "items", "1"],
+    }) || parseAnyDef(refs);
+    return {
+        type: "array",
+        maxItems: 125,
+        items: {
+            type: "array",
+            items: [keys, values],
+            minItems: 2,
+            maxItems: 2,
+        },
+    };
+}