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/diff/libesm/util/string.d.ts

@@ -0,0 +1,18 @@
+export declare function longestCommonPrefix(str1: string, str2: string): string;
+export declare function longestCommonSuffix(str1: string, str2: string): string;
+export declare function replacePrefix(string: string, oldPrefix: string, newPrefix: string): string;
+export declare function replaceSuffix(string: string, oldSuffix: string, newSuffix: string): string;
+export declare function removePrefix(string: string, oldPrefix: string): string;
+export declare function removeSuffix(string: string, oldSuffix: string): string;
+export declare function maximumOverlap(string1: string, string2: string): string;
+/**
+ * Returns true if the string consistently uses Windows line endings.
+ */
+export declare function hasOnlyWinLineEndings(string: string): boolean;
+/**
+ * Returns true if the string consistently uses Unix line endings.
+ */
+export declare function hasOnlyUnixLineEndings(string: string): boolean;
+export declare function trailingWs(string: string): string;
+export declare function leadingWs(string: string): string;
+//# sourceMappingURL=string.d.ts.map