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-yang.js

@@ -0,0 +1,20 @@
+Prism.languages.yang = {
+	// https://tools.ietf.org/html/rfc6020#page-34
+	// http://www.yang-central.org/twiki/bin/view/Main/YangExamples
+	'comment': /\/\*[\s\S]*?\*\/|\/\/.*/,
+	'string': {
+		pattern: /"(?:[^\\"]|\\.)*"|'[^']*'/,
+		greedy: true
+	},
+	'keyword': {
+		pattern: /(^|[{};\r\n][ \t]*)[a-z_][\w.-]*/i,
+		lookbehind: true
+	},
+	'namespace': {
+		pattern: /(\s)[a-z_][\w.-]*(?=:)/i,
+		lookbehind: true
+	},
+	'boolean': /\b(?:false|true)\b/,
+	'operator': /\+/,
+	'punctuation': /[{};:]/
+};