refactor: Move Astro to root, use PORT env (default 80), allow all hosts

- Move Astro files from dealplustech-astro/ to project root
- Update Dockerfile: PORT environment variable (default 80)
- Add vite.config.ts with allowedHosts: true
- Matches nixpacks behavior for Easypanel deployment
- No hardcoded ports or domains

node_modules/unstorage/drivers/fs.d.cts

@@ -0,0 +1,10 @@
+import type { ChokidarOptions } from "chokidar";
+export interface FSStorageOptions {
+    base?: string;
+    ignore?: string[];
+    readOnly?: boolean;
+    noClear?: boolean;
+    watchOptions?: ChokidarOptions;
+}
+declare const _default: (opts: FSStorageOptions | undefined) => import("..").Driver<FSStorageOptions | undefined, never>;
+export default _default;