feat: Upgrade to Astro with full PDPA compliance

PDPA Features:
✅ Cookie consent banner
✅ Consent logging API
✅ Admin dashboard
✅ Privacy Policy
✅ Terms & Conditions

Technical:
✅ Astro 5.x + Tailwind v4
✅ Docker on port 80
✅ SQLite database
✅ 15 pages built

Ready for Easypanel deployment.

node_modules/prismjs/components/prism-arff.js

@@ -0,0 +1,10 @@
+Prism.languages.arff = {
+	'comment': /%.*/,
+	'string': {
+		pattern: /(["'])(?:\\.|(?!\1)[^\\\r\n])*\1/,
+		greedy: true
+	},
+	'keyword': /@(?:attribute|data|end|relation)\b/i,
+	'number': /\b\d+(?:\.\d+)?\b/,
+	'punctuation': /[{},]/
+};