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-go-module.js

@@ -0,0 +1,24 @@
+// https://go.dev/ref/mod#go-mod-file-module
+
+Prism.languages['go-mod'] = Prism.languages['go-module'] = {
+	'comment': {
+		pattern: /\/\/.*/,
+		greedy: true
+	},
+	'version': {
+		pattern: /(^|[\s()[\],])v\d+\.\d+\.\d+(?:[+-][-+.\w]*)?(?![^\s()[\],])/,
+		lookbehind: true,
+		alias: 'number'
+	},
+	'go-version': {
+		pattern: /((?:^|\s)go\s+)\d+(?:\.\d+){1,2}/,
+		lookbehind: true,
+		alias: 'number'
+	},
+	'keyword': {
+		pattern: /^([ \t]*)(?:exclude|go|module|replace|require|retract)\b/m,
+		lookbehind: true
+	},
+	'operator': /=>/,
+	'punctuation': /[()[\],]/
+};