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/css-select/lib/helpers/selectors.d.ts

@@ -0,0 +1,20 @@
+import type { InternalSelector } from "../types.js";
+import { type Traversal } from "css-what";
+export declare function isTraversal(token: InternalSelector): token is Traversal;
+/**
+ * Sort the parts of the passed selector, as there is potential for
+ * optimization (some types of selectors are faster than others).
+ *
+ * @param arr Selector to sort
+ */
+export declare function sortRules(arr: InternalSelector[]): void;
+/**
+ * Determine the quality of the passed token. The higher the number, the
+ * faster the token is to execute.
+ *
+ * @param token Token to get the quality of.
+ * @returns The token's quality.
+ */
+export declare function getQuality(token: InternalSelector): number;
+export declare function includesScopePseudo(t: InternalSelector): boolean;
+//# sourceMappingURL=selectors.d.ts.map