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-r.js

@@ -0,0 +1,22 @@
+Prism.languages.r = {
+	'comment': /#.*/,
+	'string': {
+		pattern: /(['"])(?:\\.|(?!\1)[^\\\r\n])*\1/,
+		greedy: true
+	},
+	'percent-operator': {
+		// Includes user-defined operators
+		// and %%, %*%, %/%, %in%, %o%, %x%
+		pattern: /%[^%\s]*%/,
+		alias: 'operator'
+	},
+	'boolean': /\b(?:FALSE|TRUE)\b/,
+	'ellipsis': /\.\.(?:\.|\d+)/,
+	'number': [
+		/\b(?:Inf|NaN)\b/,
+		/(?:\b0x[\dA-Fa-f]+(?:\.\d*)?|\b\d+(?:\.\d*)?|\B\.\d+)(?:[EePp][+-]?\d+)?[iL]?/
+	],
+	'keyword': /\b(?:NA|NA_character_|NA_complex_|NA_integer_|NA_real_|NULL|break|else|for|function|if|in|next|repeat|while)\b/,
+	'operator': /->?>?|<(?:=|<?-)?|[>=!]=?|::?|&&?|\|\|?|[+*\/^$@~]/,
+	'punctuation': /[(){}\[\],;]/
+};