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/cli/info/infra/prompts-prompt.js

@@ -0,0 +1,25 @@
+import prompts from "prompts";
+class PromptsPrompt {
+  #force;
+  constructor({ force }) {
+    this.#force = force;
+  }
+  async confirm({
+    message,
+    defaultValue
+  }) {
+    if (this.#force) {
+      return true;
+    }
+    const { value } = await prompts({
+      type: "confirm",
+      name: "value",
+      message,
+      initial: defaultValue
+    });
+    return value;
+  }
+}
+export {
+  PromptsPrompt
+};