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/@astrojs/telemetry/dist/config.d.ts

@@ -0,0 +1,20 @@
+interface ConfigOptions {
+    name: string;
+}
+export declare class GlobalConfig {
+    private project;
+    private dir;
+    private file;
+    constructor(project: ConfigOptions);
+    private _store?;
+    private get store();
+    private set store(value);
+    private ensureDir;
+    write(): void;
+    clear(): void;
+    delete(key: string): boolean;
+    get(key: string): any;
+    has(key: string): boolean;
+    set(key: string, value: any): void;
+}
+export {};