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/cloudflare-kv-binding.d.ts

@@ -0,0 +1,12 @@
+export interface KVOptions {
+    binding?: string | KVNamespace;
+    /** Adds prefix to all stored keys */
+    base?: string;
+    /**
+     * The minimum time-to-live (ttl) for setItem in seconds.
+     * The default is 60 seconds as per Cloudflare's [documentation](https://developers.cloudflare.com/kv/api/write-key-value-pairs/).
+     */
+    minTTL?: number;
+}
+declare const _default: (opts: KVOptions) => import("..").Driver<KVOptions, KVNamespace<string>>;
+export default _default;