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/astro/dist/runtime/server/render/component.d.ts

@@ -0,0 +1,11 @@
+import type { RouteData, SSRResult } from '../../../types/public/internal.js';
+import { type RenderInstance } from './common.js';
+import { type ComponentSlots } from './slot.js';
+declare const needsHeadRenderingSymbol: unique symbol;
+export declare function renderComponent(result: SSRResult, displayName: string, Component: unknown, props: Record<string | number, any>, slots?: ComponentSlots): RenderInstance | Promise<RenderInstance>;
+export declare function renderComponentToString(result: SSRResult, displayName: string, Component: unknown, props: Record<string | number, any>, slots?: any, isPage?: boolean, route?: RouteData): Promise<string>;
+export type NonAstroPageComponent = {
+    name: string;
+    [needsHeadRenderingSymbol]: boolean;
+};
+export {};