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/prismjs/components/prism-django.min.js

@@ -0,0 +1 @@
+!function(e){e.languages.django={comment:/^\{#[\s\S]*?#\}$/,tag:{pattern:/(^\{%[+-]?\s*)\w+/,lookbehind:!0,alias:"keyword"},delimiter:{pattern:/^\{[{%][+-]?|[+-]?[}%]\}$/,alias:"punctuation"},string:{pattern:/("|')(?:\\.|(?!\1)[^\\\r\n])*\1/,greedy:!0},filter:{pattern:/(\|)\w+/,lookbehind:!0,alias:"function"},test:{pattern:/(\bis\s+(?:not\s+)?)(?!not\b)\w+/,lookbehind:!0,alias:"function"},function:/\b[a-z_]\w+(?=\s*\()/i,keyword:/\b(?:and|as|by|else|for|if|import|in|is|loop|not|or|recursive|with|without)\b/,operator:/[-+%=]=?|!=|\*\*?=?|\/\/?=?|<[<=>]?|>[=>]?|[&|^~]/,number:/\b\d+(?:\.\d+)?\b/,boolean:/[Ff]alse|[Nn]one|[Tt]rue/,variable:/\b\w+\b/,punctuation:/[{}[\](),.:;]/};var n=/\{\{[\s\S]*?\}\}|\{%[\s\S]*?%\}|\{#[\s\S]*?#\}/g,o=e.languages["markup-templating"];e.hooks.add("before-tokenize",(function(e){o.buildPlaceholders(e,"django",n)})),e.hooks.add("after-tokenize",(function(e){o.tokenizePlaceholders(e,"django")})),e.languages.jinja2=e.languages.django,e.hooks.add("before-tokenize",(function(e){o.buildPlaceholders(e,"jinja2",n)})),e.hooks.add("after-tokenize",(function(e){o.tokenizePlaceholders(e,"jinja2")}))}(Prism);