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-hpkp.js

@@ -0,0 +1,14 @@
+/**
+ * Original by Scott Helme.
+ *
+ * Reference: https://scotthelme.co.uk/hpkp-cheat-sheet/
+ */
+
+Prism.languages.hpkp = {
+	'directive': {
+		pattern: /\b(?:includeSubDomains|max-age|pin-sha256|preload|report-to|report-uri|strict)(?=[\s;=]|$)/i,
+		alias: 'property'
+	},
+	'operator': /=/,
+	'punctuation': /;/
+};