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-n4js.js

@@ -0,0 +1,14 @@
+Prism.languages.n4js = Prism.languages.extend('javascript', {
+	// Keywords from N4JS language spec: https://numberfour.github.io/n4js/spec/N4JSSpec.html
+	'keyword': /\b(?:Array|any|boolean|break|case|catch|class|const|constructor|continue|debugger|declare|default|delete|do|else|enum|export|extends|false|finally|for|from|function|get|if|implements|import|in|instanceof|interface|let|module|new|null|number|package|private|protected|public|return|set|static|string|super|switch|this|throw|true|try|typeof|var|void|while|with|yield)\b/
+});
+
+Prism.languages.insertBefore('n4js', 'constant', {
+	// Annotations in N4JS spec: https://numberfour.github.io/n4js/spec/N4JSSpec.html#_annotations
+	'annotation': {
+		pattern: /@+\w+/,
+		alias: 'operator'
+	}
+});
+
+Prism.languages.n4jsd = Prism.languages.n4js;