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/p-queue/dist/priority-queue.d.ts

@@ -0,0 +1,13 @@
+import { type Queue, type RunFunction } from './queue.js';
+import { type QueueAddOptions } from './options.js';
+export type PriorityQueueOptions = {
+    priority?: number;
+} & QueueAddOptions;
+export default class PriorityQueue implements Queue<RunFunction, PriorityQueueOptions> {
+    #private;
+    enqueue(run: RunFunction, options?: Partial<PriorityQueueOptions>): void;
+    setPriority(id: string, priority: number): void;
+    dequeue(): RunFunction | undefined;
+    filter(options: Readonly<Partial<PriorityQueueOptions>>): RunFunction[];
+    get size(): number;
+}