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/promise-limit/example/example.ts

@@ -0,0 +1,22 @@
+import * as promiseLimit from '../'
+
+const limit = promiseLimit<string>(2)
+var jobs = ['a', 'b', 'c', 'd', 'e']
+
+Promise.all(jobs.map((name) => {
+  return limit(() => job(name))
+})).then(results => {
+  console.log('\nresults:', results)
+})
+
+function job (name): Promise<string> {
+  var text = `job ${name}`
+  console.log('started', text)
+
+  return new Promise(function (resolve) {
+    setTimeout(() => {
+      console.log('       ', text, 'finished')
+      resolve(text)
+    }, 100)
+  })
+}