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/@esbuild/darwin-arm64/README.md

@@ -0,0 +1,3 @@
+# esbuild
+
+This is the macOS ARM 64-bit binary for esbuild, a JavaScript bundler and minifier. See https://github.com/evanw/esbuild for details.

node_modules/@esbuild/darwin-arm64/package.json

@@ -0,0 +1,20 @@
+{
+  "name": "@esbuild/darwin-arm64",
+  "version": "0.27.3",
+  "description": "The macOS ARM 64-bit binary for esbuild, a JavaScript bundler.",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/evanw/esbuild.git"
+  },
+  "license": "MIT",
+  "preferUnplugged": true,
+  "engines": {
+    "node": ">=18"
+  },
+  "os": [
+    "darwin"
+  ],
+  "cpu": [
+    "arm64"
+  ]
+}