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/hastscript/lib/automatic-runtime-svg.d.ts

@@ -0,0 +1,36 @@
+/* eslint-disable @typescript-eslint/naming-convention */
+
+import type {Element, Root} from 'hast'
+import type {Child} from './create-h.js'
+import type {JSXProps} from './create-automatic-runtime.js'
+
+export * from './jsx-automatic.js'
+
+export const Fragment: null
+
+export const jsxDEV: {
+  (
+    type: null,
+    properties: {children?: Child},
+    key?: string | null | undefined
+  ): Root
+  (type: string, properties: JSXProps, key?: string | null | undefined): Element
+}
+
+export const jsxs: {
+  (
+    type: null,
+    properties: {children?: Child},
+    key?: string | null | undefined
+  ): Root
+  (type: string, properties: JSXProps, key?: string | null | undefined): Element
+}
+
+export const jsx: {
+  (
+    type: null,
+    properties: {children?: Child},
+    key?: string | null | undefined
+  ): Root
+  (type: string, properties: JSXProps, key?: string | null | undefined): Element
+}