🎨 Fix: Add CSS import to BaseLayout + use standard Tailwind colors

- Added import '../styles/global.css' to BaseLayout.astro
- Changed custom colors to standard Tailwind (green-600, gray-600)
- CSS now properly bundled and served

Fixes:
✅ No styles applying to website
✅ Tailwind CSS now working
✅ Button and card styles functional

dist/robots.txt

@@ -1,25 +0,0 @@
-# Robots.txt for dealplustech.co.th
-# https://dealplustech.co.th
-
-User-agent: *
-Allow: /
-
-# Sitemap location
-Sitemap: https://dealplustech.co.th/sitemap.xml
-
-# Disallow admin and private paths
-Disallow: /api/
-Disallow: /_next/
-Disallow: /admin/
-
-# Allow all crawlers access to static assets
-User-agent: Googlebot
-Allow: /images/
-Allow: /fonts/
-
-User-agent: Bingbot
-Allow: /images/
-Allow: /fonts/
-
-# Crawl delay for respectful crawling
-Crawl-delay: 1