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/jsx-automatic.d.ts

@@ -0,0 +1,43 @@
+import type {Child, Properties, Result} from './create-h.js'
+
+export namespace JSX {
+  /**
+   * Define the return value of JSX syntax.
+   */
+  type Element = Result
+
+  /**
+   * Key of this interface defines as what prop children are passed.
+   */
+  interface ElementChildrenAttribute {
+    /**
+     * Only the key matters, not the value.
+     */
+    children?: never
+  }
+
+  /**
+   * Disallow the use of functional components.
+   */
+  type IntrinsicAttributes = never
+
+  /**
+   * Define the prop types for known elements.
+   *
+   * For `hastscript` this defines any string may be used in combination with
+   * `hast` `Properties`.
+   *
+   * This **must** be an interface.
+   */
+  type IntrinsicElements = Record<
+    string,
+    | Properties
+    | {
+        /**
+         * The prop that matches `ElementChildrenAttribute` key defines the
+         * type of JSX children, defines the children type.
+         */
+        children?: Child
+      }
+  >
+}