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/retext-latin/index.d.ts

@@ -0,0 +1,34 @@
+import type {Nodes, Paragraph, Root, Sentence} from 'nlcst'
+import type {Plugin} from 'unified'
+
+// See `parse-latin`.
+type Extension<Node extends Nodes> = (node: Node) => undefined | void
+
+/**
+ * Add support for parsing Latin-script natural language.
+ *
+ * @this
+ *   Unified processor.
+ * @returns
+ *   Nothing.
+ */
+declare const retextLatin: Plugin<[], string, Root>
+export default retextLatin
+
+// Add custom data supported when `retext-latin` is added.
+declare module 'unified' {
+  interface Data {
+    /**
+     * List of extensions to transform paragraph nodes.
+     */
+    nlcstParagraphExtensions?: Array<Extension<Paragraph>>
+    /**
+     * List of extensions to transform root nodes.
+     */
+    nlcstRootExtensions?: Array<Extension<Root>>
+    /**
+     * List of extensions to transform sentence nodes.
+     */
+    nlcstSentenceExtensions?: Array<Extension<Sentence>>
+  }
+}