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/astro/dist/assets/fonts/infra/build-font-file-id-generator.d.ts

@@ -0,0 +1,13 @@
+import type { FontFileContentResolver, FontFileIdGenerator, Hasher } from '../definitions.js';
+import type { FontType } from '../types.js';
+export declare class BuildFontFileIdGenerator implements FontFileIdGenerator {
+    #private;
+    constructor({ hasher, contentResolver, }: {
+        hasher: Hasher;
+        contentResolver: FontFileContentResolver;
+    });
+    generate({ originalUrl, type }: {
+        originalUrl: string;
+        type: FontType;
+    }): string;
+}