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/astro/dist/assets/consts.js

@@ -0,0 +1,43 @@
+const VIRTUAL_MODULE_ID = "astro:assets";
+const VIRTUAL_SERVICE_ID = "virtual:image-service";
+const VALID_INPUT_FORMATS = [
+  "jpeg",
+  "jpg",
+  "png",
+  "tiff",
+  "webp",
+  "gif",
+  "svg",
+  "avif"
+];
+const VALID_SUPPORTED_FORMATS = [
+  "jpeg",
+  "jpg",
+  "png",
+  "tiff",
+  "webp",
+  "gif",
+  "svg",
+  "avif"
+];
+const DEFAULT_OUTPUT_FORMAT = "webp";
+const VALID_OUTPUT_FORMATS = ["avif", "png", "webp", "jpeg", "jpg", "svg"];
+const DEFAULT_HASH_PROPS = [
+  "src",
+  "width",
+  "height",
+  "format",
+  "quality",
+  "fit",
+  "position",
+  "background"
+];
+export {
+  DEFAULT_HASH_PROPS,
+  DEFAULT_OUTPUT_FORMAT,
+  VALID_INPUT_FORMATS,
+  VALID_OUTPUT_FORMATS,
+  VALID_SUPPORTED_FORMATS,
+  VIRTUAL_MODULE_ID,
+  VIRTUAL_SERVICE_ID
+};